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input[type=number] {\n -moz-appearance: textfield\n }\n\n img {\n width: auto;\n height: auto\n }\n\n .img-res img {\n width: auto;\n height: auto !important;\n max-width: 100% !important\n }\n\n .sub_item_img {\n width: 80px;\n height: 80px;\n overflow: hidden;\n display: inline-block;\n vertical-align: middle\n }\n\n .breadcrumb_nav_img {\n height: 300px\n }\n\n .breadcrumb_nav_box .fa.fa-home {\n color: #666\n }\n\n .breadcrumb_nav_box a {\n color: var(--main-theme-color);\n text-decoration: none;\n font-weight: 600\n }\n\n .breadcrumb_nav_box .breadcrumb_nav_position {\n text-transform: none\n }\n\n .breadcrumb_nav_box span {\n text-transform: capitalize\n }\n\n .breadcrumb_nav_wrap {\n padding: 13px 0;\n background-color: #ececec\n }\n\n .breadcrumb_nav_list {\n margin: 0;\n padding: 0;\n display: flex;\n flex-wrap: wrap\n }\n\n .breadcrumb_nav_list li {\n margin: 0;\n padding: 0;\n list-style: none;\n margin-right: 10px\n }\n\n .breadcrumb_nav_list li a {\n text-transform: capitalize\n }\n\n .breadcrumb_nav_list li a:hover {\n color: var(--main-theme-color)\n }\n\n .breadcrumb_nav_list li i {\n margin-right: 4px\n }\n\n .breadcrumb_h1_box {\n background-color: #e5e5e5;\n text-align: center;\n height: 100%;\n width: 100%\n }\n\n .breadcrumb_h1_box h1 {\n font-size: 36px;\n font-family: Arial;\n font-weight: 700;\n color: #fff;\n width: 100%\n }\n\n .language-select .dropdown-menu {\n min-width: 170px;\n height: 600px;\n overflow: auto\n }\n\n .language-select i {\n vertical-align: middle\n }\n\n .has_box .sub_box .sub_item span {\n display: inline-block;\n max-width: 60%;\n vertical-align: middle\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 290px\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ru] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 330px\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ru] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=ru] .sub_item_img {\n width: 78px;\n height: 78px\n }\n\n [lang=ru] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 13px\n }\n\n [lang=cs] .sub_item_img {\n width: 76px;\n height: 76px\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a,\n [lang=cs] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 14px\n }\n\n [lang=lv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 260px\n }\n\n [lang=lv] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=lt] .main-nav nav .navbar-nav>.nav-item,\n [lang=vi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 12px;\n margin-right: 12px\n }\n\n [dir=rtl] .topbar ul {\n text-align: right\n }\n\n [dir=rtl] .top-contact-area ul li i {\n margin-left: 4px;\n margin-right: 0\n }\n\n [dir=rtl] .language-select i {\n margin-left: 4px;\n margin-right: 0\n }\n\n [dir=rtl] .main-nav nav .navbar-nav {\n margin-left: 0;\n margin-right: auto\n }\n\n [dir=rtl] .searchbox {\n padding: 18px 16px 18px 0\n }\n\n [lang=ko] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 14px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 310px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=hu] .main-nav nav .navbar-nav>.nav-item,\n [lang=iw] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 20px;\n margin-right: 20px\n }\n\n [lang=el] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 10px;\n margin-right: 10px\n }\n\n [lang=fi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 16px;\n margin-right: 16px\n }\n\n [lang=fi] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 15px\n }\n\n [lang=pl] .features .welcome_desc p {\n font-size: 24px\n }\n\n @media only screen and (max-width:1199px) {\n .topbar {\n border-bottom: none\n }\n }\n\n @media only screen and (max-width:767px) {\n .language-select .dropdown-menu {\n left: 0;\n right: auto;\n height: 70vh\n }\n\n .newsletter-content .default-section-heading h3 {\n font-size: 28px;\n line-height: 32px;\n padding-bottom: 18px\n }\n }\n <\/style>\n<script async src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=G-5WHCGWBZF2\"><\/script><script defer>\n function gtag() {\n dataLayer.push(arguments)\n }\n window.dataLayer = window.dataLayer || [], gtag(\"js\", new Date), gtag(\"config\", \"G-5WHCGWBZF2\"), gtag(\"config\", \"AW-10818223058\")\n <\/script><script defer>\n function gtag_report_conversion_1(n) {\n return gtag(\"event\", \"conversion\", {\n send_to: \"AW-10818223058\/VD_JCK_UqIcDENL3w6Yo\",\n event_callback: function() {\n void 0 !== n && (window.location = n)\n }\n }), !1\n }\n <\/script>\n<\/head>\n<body>\n <div class=\"topbar inside_pages_site\">\n <div class=\"w1200\">\n <div class=\"topbar-content\">\n <div class=\"row align-items-center\">\n <div class=\"col-xl-9 col-md-6 col-sm-12 col-12\">\n <div 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\u0627\u0644\u0635\u0646\u0627\u0639\u0629<\/a> <\/li>\n <li class=\"nav-item\"> <a href=\"https:\/\/ar.covna-china.com\/articles\/valves-study.html\">\u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a<\/a> <\/li>\n <\/ul>\n<div class=\"row\">\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/features-of-knife-gate-valve.html\" title=\"\u0645\u0644\u0627\u0645\u062d \u0633\u0643\u064a\u0646 \u0628\u0648\u0627\u0628\u0629 \u0635\u0645\u0627\u0645\"> <img class=\"lazy\" alt=\"\u0645\u0644\u0627\u0645\u062d \u0633\u0643\u064a\u0646 \u0628\u0648\u0627\u0628\u0629 \u0635\u0645\u0627\u0645\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0623\u0643\u062a\u0648\u0628\u0631 \u06f2\u06f4, \u06f2\u06f0\u06f2\u06f2<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/features-of-knife-gate-valve.html\" title=\"\u0645\u0644\u0627\u0645\u062d \u0633\u0643\u064a\u0646 \u0628\u0648\u0627\u0628\u0629 \u0635\u0645\u0627\u0645\">\u0645\u0644\u0627\u0645\u062d \u0633\u0643\u064a\u0646 \u0628\u0648\u0627\u0628\u0629 \u0635\u0645\u0627\u0645<\/a> <\/h4>\n <p>\u064a\u0633\u0645\u0649 \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0633\u0643\u064a\u0646 \u0623\u064a\u0636\u0627 \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0633\u0643\u064a\u0646 \u060c \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0633\u0643\u064a\u0646 \u060c \u0635\u0645\u0627\u0645 \u0627\u0644\u0637\u064a\u0646 \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0637\u064a\u0646. \u0623\u062c\u0632\u0627\u0621 \u0641\u062a\u062d\u0647\u0627 \u0648\u0625\u063a\u0644\u0627\u0642\u0647\u0627 \u0647\u064a \u0644\u0648\u062d\u0627\u062a \u0628\u0648\u0627\u0628\u0629. \u0627\u062a\u062c\u0627\u0647 \u062d\u0631\u0643\u0629 \u0644\u0648\u062d\u0629 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0639\u0645\u0648\u062f\u064a \u0639\u0644\u0649 \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0633\u0627\u0626\u0644. \u064a\u062a\u0645 \u0642\u0637\u0639 \u0627\u0644\u0648\u0633\u0637 \u0628\u0648\u0627\u0633\u0637\u0629 \u0628\u0648\u0627\u0628\u0629 \u062d\u0627\u0641\u0629 \u0627\u0644\u0633\u0643\u064a\u0646 \u0627\u0644\u062a\u064a \u064a\u0645\u0643\u0646\u0647\u0627 \u0642\u0637\u0639 \u0645\u0648\u0627\u062f \u0627\u0644\u0623\u0644\u064a\u0627\u0641. \u062a\u062d\u062a\u0648\u064a \u0644\u0648\u062d\u0629 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0639\u0644\u0649 \u0633\u0637\u062d\u064a\u0646 \u0645\u0627\u0646\u0639\u064a\u0646 \u0644\u0644\u062e\u062a\u0645. \u0627\u0644\u0633\u0637\u062d\u0627\u0646 \u0627\u0644\u062e\u062a\u0645\u0627\u0646 \u0644\u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0623\u0643\u062b\u0631 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627 \u064a\u0634\u0643\u0644\u0627\u0646 w<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/features-of-knife-gate-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0645\u0627 \u0647\u0648 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u061f\"> <img class=\"lazy\" alt=\"\u0645\u0627 \u0647\u0648 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0623\u0643\u062a\u0648\u0628\u0631 \u06f2\u06f4, \u06f2\u06f0\u06f2\u06f2<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0645\u0627 \u0647\u0648 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u061f\">\u0645\u0627 \u0647\u0648 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u061f<\/a> <\/h4>\n <p>\u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0647\u0648 \u0635\u0645\u0627\u0645 \u064a\u0639\u0645\u0644 \u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u0627 \u0645\u0639 \u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a \u0643\u0635\u0645\u0627\u0645 \u062a\u0648\u062c\u064a\u0647. \u0648\u063a\u0627\u0644\u0628\u0627 \u0645\u0627 \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0622\u0644\u064a \u0641\u064a \u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u064a\u0627\u0647 \u0648\u0627\u0644\u0635\u0631\u0641 \u0627\u0644\u0635\u062d\u064a \u0648\u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629. \u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u062f\u0642\u064a\u0642\u0629 \u0648\u0633\u0631\u064a\u0639\u0629 \u060c \u0648\u064a\u062a\u0645 \u0641\u062a\u062d \u0646\u0638\u0627\u0645 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0648\u0625\u063a\u0644\u0627\u0642\u0647 \u0639\u0646 \u0628\u0639\u062f \u0648\u0641\u0642\u0627 \u0644\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u062a\u062d\u0642\u064a\u0642 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0639\u0646 \u0628\u0639\u062f. \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u0644\u0644\u0623\u0648\u0628\u0631\u0627\u062a\u064a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0643\u0628\u064a\u0631\u0629<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/what-is-electric-control-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\"> <img class=\"lazy\" alt=\"\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0623\u0643\u062a\u0648\u0628\u0631 \u06f2\u06f4, \u06f2\u06f0\u06f2\u06f2<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\">\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/a> <\/h4>\n <p>\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0647\u0648\u0627\u0626\u064a \u0647\u0648 \u0635\u0645\u0627\u0645 \u0645\u062f\u0641\u0648\u0639 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u0636\u063a\u0648\u0637. \u0639\u0646\u062f \u0634\u0631\u0627\u0621 \u0635\u0645\u0627\u0645\u0627\u062a \u0647\u0648\u0627\u0626\u064a\u0629 \u060c \u0645\u0646 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u0641\u0642\u0637 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0648\u0627\u0644\u0623\u0646\u0648\u0627\u0639 \u0648\u0636\u063a\u0648\u0637 \u0627\u0644\u0639\u0645\u0644 \u0644\u062a\u0644\u0628\u064a\u0629 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0634\u0631\u0627\u0621. \u062a\u062f\u0641\u0642. \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0647\u0648\u0627\u0626\u064a \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a \u0647\u0648 \u0627\u0644\u0641\u0631\u0642 \u0641\u064a \u0645\u0635\u062f\u0631 \u0627\u0644\u0625\u0634\u0627\u0631\u0629. \u064a\u0633\u062a\u062e\u062f\u0645 \u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u063a\u0627\u0632 \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a \u0644\u062f\u0641\u0639 \u0642\u0644\u0628 \u0627\u0644\u0635\u0645\u0627\u0645 \u0625\u0644\u0649 \u062a\u063a\u064a\u064a\u0631 \u0631\u0647\u064a\u0628<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/how-to-maintain-the-control-valve.html\" title=\"\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645\u061f\"> <img class=\"lazy\" alt=\"\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1637133592_Manual-valve.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0623\u0643\u062a\u0648\u0628\u0631 \u06f2\u06f4, \u06f2\u06f0\u06f2\u06f2<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/how-to-maintain-the-control-valve.html\" title=\"\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645\u061f\">\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645\u061f<\/a> <\/h4>\n <p>\u064a\u062a\u0645\u064a\u0632 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0628\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0628\u0633\u064a\u0637 \u0648\u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0645\u0648\u062b\u0648\u0642 \u0628\u0647 \u060c \u0648\u0644\u0643\u0646 \u0646\u0638\u0631\u0627 \u0644\u0623\u0646\u0647 \u0639\u0644\u0649 \u0627\u062a\u0635\u0627\u0644 \u0645\u0628\u0627\u0634\u0631 \u0628\u0648\u0633\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u060c \u0641\u0625\u0646 \u0623\u062f\u0627\u0626\u0647 \u064a\u0624\u062b\u0631 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u062c\u0648\u062f\u0629 \u0627\u0644\u0646\u0638\u0627\u0645 \u0648\u0627\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0628\u064a\u0626\u064a \u060c \u0644\u0630\u0644\u0643 \u064a\u062c\u0628 \u0635\u064a\u0627\u0646\u0629 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0648\u0625\u0635\u0644\u0627\u062d\u0647 \u0628\u0627\u0646\u062a\u0638\u0627\u0645 \u060c \u062e\u0627\u0635\u0629 \u0641\u064a \u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0642\u0627\u0633\u064a\u0629 \u0648\u0627\u0644\u0645\u0647\u0645\u0629. \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u0623\u062d\u064a\u0627\u0646 \u060c \u064a\u0646\u0628\u063a\u064a \u0625\u064a\u0644\u0627\u0621 \u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0627\u0647\u062a\u0645\u0627\u0645 \u0644\u0623\u0639\u0645\u0627\u0644 \u0627\u0644\u0635\u064a\u0627\u0646\u0629. \u0645\u0641\u062a\u0627\u062d<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/how-to-maintain-the-control-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0645\u0627 \u0647\u064a \u0645\u0632\u0627\u064a\u0627 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629\u061f\"> <img class=\"lazy\" alt=\"\u0645\u0627 \u0647\u064a \u0645\u0632\u0627\u064a\u0627 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029199_t-video.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>07 \u0633\u0628\u062a\u0645\u0628\u0631 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0645\u0627 \u0647\u064a \u0645\u0632\u0627\u064a\u0627 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629\u061f\">\u0645\u0627 \u0647\u064a \u0645\u0632\u0627\u064a\u0627 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629\u061f<\/a> <\/h4>\n <p>1. \u0645\u0642\u0627\u0648\u0645\u0629 \u062a\u062f\u0641\u0642 \u0635\u063a\u064a\u0631\u0629. \u0627\u0644\u0642\u0646\u0627\u0629 \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629 \u062f\u0627\u062e\u0644 \u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645 \u0645\u0633\u062a\u0642\u064a\u0645\u0629 \u060c \u0648\u064a\u062a\u062f\u0641\u0642 \u0627\u0644\u0648\u0633\u0637 \u0641\u064a \u062e\u0637 \u0645\u0633\u062a\u0642\u064a\u0645 \u060c \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0635\u063a\u064a\u0631\u0629. 2. \u0625\u0646\u0647 \u0623\u0643\u062b\u0631 \u062a\u0648\u0641\u064a\u0631\u0627 \u0644\u0644\u0639\u0645\u0627\u0644\u0629 \u0639\u0646\u062f \u0627\u0644\u0641\u062a\u062d \u0648\u0627\u0644\u0625\u063a\u0644\u0627\u0642. \u0628\u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0639 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u060c \u0644\u0623\u0646\u0647 \u0633\u0648\u0627\u0621 \u0643\u0627\u0646 \u0645\u0641\u062a\u0648\u062d\u0627 \u0623\u0648 \u0645\u063a\u0644\u0642\u0627 \u060c \u0641\u0625\u0646 \u0627\u062a\u062c\u0627\u0647 \u062d\u0631\u0643\u0629 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0639\u0645\u0648\u062f\u064a \u0639\u0644\u0649 \u0627\u062a\u062c\u0627\u0647 \u062a\u062f\u0641\u0642 \u0627\u0644\u0648\u0633\u0637. 3. \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0643\u0628\u064a\u0631 \u0648\u0641\u062a\u062d \u0648\u0625\u063a\u0644\u0627\u0642 ti<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0647\u0644 \u062a\u0639\u0631\u0641 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a\u061f\"> <img class=\"lazy\" alt=\"\u0647\u0644 \u062a\u0639\u0631\u0641 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029164_about_icon2.png?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>07 \u0633\u0628\u062a\u0645\u0628\u0631 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0647\u0644 \u062a\u0639\u0631\u0641 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a\u061f\">\u0647\u0644 \u062a\u0639\u0631\u0641 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a\u061f<\/a> <\/h4>\n <p>1. \u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a \u0644\u062f\u064a\u0647 \u0623\u062f\u0627\u0621 \u0645\u0645\u062a\u0627\u0632 \u0644\u0645\u0643\u0627\u0641\u062d\u0629 \u0627\u0644\u062a\u0633\u0631\u0628 \u060c \u064a\u0641\u062a\u062d \u0648\u064a\u063a\u0644\u0642 \u0628\u0633\u0631\u0639\u0629 \u060c \u0648\u0644\u062f\u064a\u0647 \u0637\u0627\u0642\u0629 \u0645\u0646\u062e\u0641\u0636\u0629. \u0648\u0647\u064a \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0643\u0642\u0637\u0639 \u0641\u064a \u0628\u0639\u0636 \u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0645\u062b\u0644 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0627\u0644\u0633\u0645\u064a\u0629. \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0641\u064a \u0627\u0644\u063a\u0627\u0644\u0628 \u0644\u062a\u0646\u0638\u064a\u0645 \u062a\u062f\u0641\u0642 \u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u060c \u0648\u064a\u062a\u0645 \u062a\u062b\u0628\u064a\u062a\u0647\u0627 \u0639\u0627\u062f\u0629 \u0641\u064a \u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u062a\u0628\u0631\u064a\u062f. \u064a\u0645\u0643\u0646 \u0623\u064a\u0636\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0646\u0641\u0630 \u0627\u0644\u0647\u0648\u0627\u0621 \u0644\u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0641\u064a \u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0633\u0627\u0626\u0644\u0629 \u060c \u0648\u064a\u0633\u062a\u062e\u062f\u0645 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a Canne<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"col-lg-12 col-md-12 col-12 pagination-box wow fadeInUp\">\n <nav aria-label=\"Page navigation example\"><ul class=\"pagination\">\n<li class=\"active\"><a href=\"javascript:void(0);\">1<\/a><\/li>\n <li><a href=\"https:\/\/ar.covna-china.com\/articles\/all\/2.html\">2<\/a><\/li>\n <li><a href=\"https:\/\/ar.covna-china.com\/articles\/all\/3.html\">3<\/a><\/li>\n <li><a href=\"https:\/\/ar.covna-china.com\/articles\/all\/4.html\">4<\/a><\/li>\n <li><a href=\"https:\/\/ar.covna-china.com\/articles\/all\/5.html\">5<\/a><\/li>\n <li><a 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.footer-links .input-group .btn:hover {\n background-color: var(--mainColor)\n }\n\n .footer-links .input-group input::-webkit-input-placeholder,\n .footer-links .input-group textarea::-webkit-input-placeholder {\n color: rgba(242, 242%, 242%, 50%)\n }\n\n .footer-links .input-group input:-moz-placeholder,\n .footer-links .input-group textarea:-moz-placeholder {\n color: rgba(242, 242%, 242%, 50%)\n }\n\n .footer-links .input-group input::-moz-placeholder,\n .footer-links .input-group textarea::-moz-placeholder {\n color: rgba(242, 242%, 242%, 50%)\n }\n\n .footer-links .input-group input:-ms-input-placeholder,\n .footer-links .input-group textarea:-ms-input-placeholder {\n color: rgba(242, 242%, 242%, 50%)\n }\n\n .newsletter .newsletter-btn {\n background: #000;\n padding: 16px 30px;\n color: #fff;\n border-radius: 6px;\n text-transform: uppercase;\n transition: .5s\n }\n\n .newsletter .newsletter-btn:hover {\n background: #fff;\n color: var(--mainColor)\n }\n\n [dir=rtl] .newsletter-content .default-section-heading h3,\n [dir=rtl] .newsletter-content .default-section-heading h6 {\n text-align: right\n }\n\n [dir=rtl] .footer-social-links {\n justify-content: flex-end\n }\n\n [dir=rtl] .footer-links .input-group .form-control {\n border-right: 1px solid var(--whiteColor2);\n border-left: 0\n }\n\n [lang=sk] .newsletter-content .default-section-heading h3 {\n font-size: 30px\n }\n\n @media only screen and (max-width:767px) {\n .rightmenu ul li {\n width: 45px;\n height: 45px;\n line-height: 45px;\n font-size: 24px\n }\n\n .arrow-right02::after,\n .arrow-right02::before {\n width: 14px\n }\n\n .arrow-right02::before {\n right: 18px\n }\n }\n <\/style>\n<div class=\"newsletter pt-65 wow fadeInUp\">\n <div class=\"w1292\">\n <div class=\"newsletter-content\">\n <div class=\"row align-items-center\">\n <div class=\"col-lg-8\">\n <div class=\"default-section-heading\">\n <h3>\u0627\u0646\u0642\u0631 \u0647\u0646\u0627 \u0644\u0637\u0644\u0628 \u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062d\u0648\u0644 \u0627\u0644\u0627\u0642\u062a\u0628\u0627\u0633<\/h3>\n <\/div>\n <\/div>\n <div class=\"col-lg-4\"> <a class=\"newsletter-btn\" data-fancybox data-src=\"#QuickInquiryModal\" href=\"javascript:;\">\u0627\u0631\u0633\u0644 \u0627\u0633\u062a\u0641\u0633\u0627\u0631<\/a> <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"footer pb-100\">\n <div class=\"w1200 clearfix\">\n <div class=\"footer-logo-area wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/\"><img src=\"\/\/v4-upload.goalsites.com\/728\/image_1629961960_logo1.png\" alt=\"\u0634\u0639\u0627\u0631\" width=\"216\" height=\"37\"><\/a>\n <p>\u0645\u0644\u062a\u0632\u0645\u0648\u0646 \u0628\u0645\u0632\u0648\u062f \u062e\u062f\u0645\u0629 \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0623\u062a\u0645\u062a\u0629 \u0627\u0644\u0639\u0627\u0644\u0645\u064a<\/p>\n <div class=\"footer-social-links\">\n <ul>\n<li> <a href=\"https:\/\/www.linkedin.com\/in\/covnavalves\/\" target=\"_blank\"><i class=\"fab fa-linkedin-in\"><\/i><\/a> <\/li>\n <li> <a href=\"https:\/\/twitter.com\/valve_covna\" target=\"_blank\"><i class=\"fab fa-twitter\"><\/i><\/a> <\/li>\n <li> <a href=\"https:\/\/www.youtube.com\/channel\/UC3EDFKt6qoQCCyuun5Tfwwg\" target=\"_blank\"><i class=\"fab fa-youtube\"><\/i><\/a> <\/li>\n <li> <a href=\"https:\/\/www.instagram.com\/fluidcontrolvalve\/\" target=\"_blank\"><i class=\"fab fa-instagram\"><\/i><\/a> <\/li>\n <\/ul>\n<\/div>\n <\/div>\n <div class=\"footer-links footer-quick-links wow fadeInUp\">\n <h3 class=\"ft_title\">\u0631\u0648\u0627\u0628\u0637 \u0633\u0631\u064a\u0639\u0629<\/h3>\n <ul>\n<li> <a href=\"https:\/\/ar.covna-china.com\/\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0648\u0637\u0646<\/a> <\/li>\n <li> <a href=\"https:\/\/ar.covna-china.com\/products\/all.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0645\u0646\u062a\u062c\u0627\u062a<\/a> <\/li>\n <li> <a href=\"https:\/\/ar.covna-china.com\/page\/about-us.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0645\u0646 \u0646\u062d\u0646<\/a> <\/li>\n <li> <a href=\"https:\/\/ar.covna-china.com\/projects\/all.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639<\/a> <\/li>\n <li> <a href=\"https:\/\/ar.covna-china.com\/articles\/all.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0627\u0644\u0645\u062f\u0648\u0646\u0629:<\/a> <\/li>\n <li> <a href=\"https:\/\/ar.covna-china.com\/videos\/lives.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0639\u0627\u0634<\/a> <\/li>\n <li> <a href=\"https:\/\/ar.covna-china.com\/encyclopedias\/encyclopedia.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0645\u0648\u0633\u0648\u0639\u0629<\/a> <\/li>\n <li> <a href=\"https:\/\/ar.covna-china.com\/page\/contact-us.html\"><i class=\"fas fa-long-arrow-alt-right\"><\/i>\u0627\u062a\u0635\u0644 \u0628\u0646\u0627<\/a> <\/li>\n <\/ul>\n<\/div>\n <div class=\"footer-links footer-contact wow fadeInUp\">\n <h3 class=\"ft_title\">\u0627\u062a\u0635\u0644 \u0628\u0646\u0627<\/h3>\n <ul>\n<li> <i class=\"fa fa-envelope\"><\/i>\n <p>\u0627\u0644\u0628\u0631\u064a\u062f \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a:<\/p> <a href=\"mailto:inquiry@covna-china.com\">inquiry@covna-china.com<\/a>\n <\/li>\n <li> <i class=\"fas fa-phone-alt\" style=\"font-size:20px\"><\/i>\n <p>\u0627\u0644\u0647\u0627\u062a\u0641:<\/p> <a href=\"tel:8613556641138\">+86-1355-6641138<\/a>\n <\/li>\n <li> <i class=\"fas fa-map-marker-alt\" style=\"font-size:20px\"><\/i>\n <p>\u0645\u0643\u0627\u0646:<\/p>\n <p>Longchang Micro-Chuangyuan, \u0645\u0646\u0637\u0642\u0629 \u062f\u0648\u0646\u063a\u062a\u0634\u0646\u063a \u0645\u062f\u064a\u0646\u0629 \u062f\u0648\u0646\u063a\u0642\u0648\u0627\u0646, \u0627\u0644\u0635\u064a\u0646, 523000<\/p>\n <\/li>\n <\/ul>\n<\/div>\n <div class=\"footer-links footer-form wow fadeInUp\">\n <h3>Berlangganan<\/h3>\n <p>\u0627\u0634\u062a\u0631\u0643 \u0641\u064a \u0646\u0634\u0631\u062a\u0646\u0627 \u0627\u0644\u0625\u062e\u0628\u0627\u0631\u064a\u0629 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0623\u062e\u0628\u0627\u0631\u0646\u0627 \u0627\u0644\u0645\u062d\u062f\u062b\u0629!<\/p>\n <form class=\"form-35ae53c76b5ee1daa4a720360e3a6dfd\" action=\"https:\/\/inquiry.digoodcms.com\/api\/covna\" method=\"POST\"> <input name=\"page\" type=\"hidden\" value><input id=\"backpage2\" name=\"backpage\" type=\"hidden\" value><div class=\"input-group\"> <input type=\"text\" name=\"contact[fullname]\" class=\"form-control2\" required placeholder=\"*\u0627\u0633\u0645\u0643\">\n<\/div>\n <div class=\"input-group\"> <input type=\"email\" name=\"email\" class=\"form-control2\" placeholder=\"*\u0628\u0631\u064a\u062f\u0643 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\" required pattern=\"[-\\w]+@[-\\w]+(\\.[-\\w]+)+\">\n<\/div>\n <div class=\"input-group\"> <textarea name=\"message\" rows=\"3\" class=\"form-control2\" minlength=\"10\" maxlength=\"2000\" required placeholder=\"*\u0627\u0644\u0631\u0633\u0627\u0644\u0629\"><\/textarea>\n<\/div>\n <div class=\"input-group\"> <button class=\"btn\" type=\"submit\">\u0627\u0631\u0633\u0644<\/button> <\/div> <input class=\"custom-832d79346386d659f3edcd67e774aaf1_ipAddress\" name=\"custom[ipAddress]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_countryName\" name=\"custom[countryName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_regionName\" name=\"custom[regionName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_cityName\" name=\"custom[cityName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_countryCode\" name=\"custom[countryCode]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_zipCode\" name=\"custom[zipCode]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_latitude\" name=\"custom[latitude]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_longitude\" name=\"custom[longitude]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_timeZone\" name=\"custom[timeZone]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_ipAddress\" name=\"geoip[ipAddress]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_countryName\" name=\"geoip[countryName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_countryCode\" name=\"geoip[countryCode]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_regionName\" name=\"geoip[regionName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_cityName\" name=\"geoip[cityName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_zipCode\" name=\"geoip[zipCode]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_latitude\" name=\"geoip[latitude]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_longitude\" name=\"geoip[longitude]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_timeZone\" name=\"geoip[timeZone]\" type=\"hidden\" value><input name=\"useragent[browser]\" type=\"hidden\" value=\"Chrome[86.0.4240.75]\"><input name=\"useragent[platform]\" type=\"hidden\" value=\"Windows 10\"><input name=\"useragent[lang]\" type=\"hidden\" value=\"zh-CN,zh;q=0.9,ja;q=0.8,en-US;q=0.7,en;q=0.6,zh-TW;q=0.5\"><input name=\"useragent[mobile]\" type=\"hidden\" value=\"No\"><input name=\"useragent[agent_string]\" type=\"hidden\" value=\"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/86.0.4240.75 Safari\/537.36\">\n<\/form>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"copyright\">\n <div class=\"container\">\n <p class=\"wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/page\/contact-us.html\" target=\"_blank\">\u0633\u064a\u0627\u0633\u0629 \u0627\u0644\u062e\u0635\u0648\u0635\u064a\u0629<\/a><br>\u062d\u0642\u0648\u0642 \u0627\u0644\u0637\u0628\u0639 \u0648\u0627\u0644\u0646\u0634\u0631 2021 \u0642\u0648\u0627\u0646\u063a\u062f\u0648\u0646\u063a COVNA \u0627\u0644\u0645\u062d\u062f\u0648\u062f\u0629<\/p>\n <\/div>\n <\/div>\n <div class=\"rightmenu\">\n <ul>\n<li class=\"r-icon envelope\"> <a data-fancybox data-src=\"#QuickInquiryModal\" href=\"javascript:;\" class=\"dg-btn dg-theme\">\u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u0633\u0631\u064a\u0639<\/a> <i class=\"fa fa-envelope\"><\/i> <\/li>\n <li class=\"r-icon\"> <a href=\"https:\/\/www.linkedin.com\/in\/covnavalves\/\" target=\"_blank\"><i class=\"fab fa-linkedin-in\"><\/i><\/a> <\/li>\n <li class=\"r-icon\"><a href=\"https:\/\/www.facebook.com\/automaticcontrolvalve\" target=\"_blank\"><i class=\"fab fa-facebook\"><\/i><\/a><\/li>\n <li class=\"r-icon\"><a href=\"https:\/\/www.youtube.com\/channel\/UC3EDFKt6qoQCCyuun5Tfwwg\" target=\"_blank\"><i class=\"fab fa-youtube\"><\/i><\/a><\/li>\n <li class=\"r-icon\">\n <div class=\"icon\"><i class=\"fab fa-whatsapp\"><\/i><\/div>\n <div class=\"side-link\"> <a href=\"https:\/\/api.whatsapp.com\/send?phone=+86%2013556641138&text=Hello\" target=\"_blank\">+86 13556641138<\/a> <\/div>\n <\/li>\n <li class=\"r-top\"><span class=\"standard-arrow-right02 arrow-right02\"><\/span><\/li>\n <\/ul>\n<\/div>\n <section class=\"quick-inquiry-section\" style=\"display:none\"><div class=\"container\">\n <div id=\"QuickInquiryModal\" style=\"width:90%;max-width:800px\">\n <h2>\u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u0633\u0631\u064a\u0639<\/h2>\n <form class=\"form-35ae53c76b5ee1daa4a720360e3a6dfd\" action=\"\/\/inquiry.digoodcms.com\/api\/covna\" method=\"post\"> <input name=\"page\" type=\"hidden\" value><input id=\"backpage\" name=\"backpage\" type=\"hidden\" value><div class=\"form-group\"> <label>\u0627\u0633\u0645:<\/label> <input type=\"text\" name=\"contact[Name]\" class=\"form-control\" placeholder=\"\u0623\u062f\u062e\u0644 \u0627\u0633\u0645\u0643\">\n<\/div>\n <div class=\"form-group\"> <label>*\u0627\u0644\u0628\u0631\u064a\u062f \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a:<\/label> <input type=\"email\" name=\"email\" class=\"form-control\" placeholder=\"\u0623\u062f\u062e\u0644 \u0628\u0631\u064a\u062f\u0643 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\" required=\"required\" pattern=\"[-\\w\\.]+@[-\\w]+(\\.[-\\w]+)+\">\n<\/div>\n <div class=\"form-group\"> <label>\u0627\u0644\u0647\u0627\u062a\u0641:<\/label> <input type=\"text\" name=\"contact[Phone]\" class=\"form-control\" placeholder=\"\u0623\u062f\u062e\u0644 \u0631\u0642\u0645 \u0627\u0644\u0647\u0627\u062a\u0641\" pattern=\"(\\d{11})|^((\\d{7,8})|(\\d{4}|\\d{3})-(\\d{7,8})|(\\d{4}|\\d{3})-(\\d{7,8})-(\\d{4}|\\d{3}|\\d{2}|\\d{1})|(\\d{7,8})-(\\d{4}|\\d{3}|\\d{2}|\\d{1}))$\">\n<\/div>\n <div class=\"form-group\"> <label>*\u0627\u0644\u0631\u0633\u0627\u0644\u0629:<\/label> <textarea class=\"form-control\" rows=\"3\" name=\"message\" placeholder=\"\u0623\u062f\u062e\u0644 \u0631\u0633\u0627\u0644\u062a\u0643\" required=\"required\"><\/textarea>\n<\/div> <button type=\"submit\" class=\"btn btn-primary\">\u0627\u0631\u0633\u0644 \u0627\u0633\u062a\u0641\u0633\u0627\u0631<\/button> <input class=\"custom-832d79346386d659f3edcd67e774aaf1_ipAddress\" name=\"custom[ipAddress]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_countryName\" name=\"custom[countryName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_regionName\" name=\"custom[regionName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_cityName\" name=\"custom[cityName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_countryCode\" name=\"custom[countryCode]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_zipCode\" name=\"custom[zipCode]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_latitude\" name=\"custom[latitude]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_longitude\" name=\"custom[longitude]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_timeZone\" name=\"custom[timeZone]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_ipAddress\" name=\"geoip[ipAddress]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_countryName\" name=\"geoip[countryName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_countryCode\" name=\"geoip[countryCode]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_regionName\" name=\"geoip[regionName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_cityName\" name=\"geoip[cityName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_zipCode\" name=\"geoip[zipCode]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_latitude\" name=\"geoip[latitude]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_longitude\" name=\"geoip[longitude]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_timeZone\" name=\"geoip[timeZone]\" type=\"hidden\" value><input name=\"useragent[browser]\" type=\"hidden\" value=\"Chrome[86.0.4240.75]\"><input name=\"useragent[platform]\" type=\"hidden\" value=\"Windows 10\"><input name=\"useragent[lang]\" type=\"hidden\" value=\"zh-CN,zh;q=0.9,ja;q=0.8,en-US;q=0.7,en;q=0.6,zh-TW;q=0.5\"><input name=\"useragent[mobile]\" type=\"hidden\" value=\"No\"><input name=\"useragent[agent_string]\" type=\"hidden\" value=\"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/86.0.4240.75 Safari\/537.36\">\n<\/form>\n <\/div>\n <\/div>\n <\/section><script src=\"https:\/\/cdn.staticfile.org\/twitter-bootstrap\/4.5.0\/js\/bootstrap.min.js\"><\/script><script src=\"https:\/\/cdn.staticfile.org\/wow\/1.1.2\/wow.min.js\"><\/script><script src=\"https:\/\/cdn.staticfile.org\/Swiper\/6.0.4\/swiper-bundle.min.js\"><\/script><script src=\"https:\/\/cdn.staticfile.org\/jquery.lazyload\/1.9.1\/jquery.lazyload.min.js\"><\/script><script src=\"https:\/\/cdn.staticfile.org\/fancybox\/3.5.7\/jquery.fancybox.min.js\"><\/script><script type=\"text\/javascript\" src=\"\/\/v4-assets.goalsites.com\/huangzd\/plugins\/jqueryCountup20161120\/js\/jquery.waypoints.min.js\"><\/script><script type=\"text\/javascript\" src=\"\/\/v4-assets.goalsites.com\/huangzd\/plugins\/jqueryCountup20161120\/js\/jquery.countup.min.js\"><\/script><script type=\"text\/javascript\" charset=\"utf-8\">\n $((function() {\n var e, t, a;\n document.querySelectorAll('a[href^=\"mailto:\"]').forEach((function(e, t) {\n e.onclick = function() {\n \"inquiry@covna-china.com\" == event.target.innerText.trim() && (console.log(\"email\"), gtag_report_conversion_1(window.location.href))\n }\n })),\n function() {\n window.location.origin;\n var e = window.location.host;\n if (\"rtl\" == (document.getElementsByTagName(\"html\")[0].getAttribute(\"dir\") || document.documentElement.dir) || \/^(ar\\.)\/.test(e) || \/^(iw\\.)\/.test(e)) {\n var t = document.head || document.getElementsByTagName(\"head\")[0],\n a = [\"https:\/\/www.unpkg.com\/bootstrap-rtl@3.3.4\/dist\/css\/bootstrap-rtl.min.css\", \"https:\/\/www.unpkg.com\/bootstrap-rtl@3.3.4\/dist\/css\/bootstrap-flipped.min.css\", 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input[type=number] {\n -moz-appearance: textfield\n }\n\n img {\n width: auto;\n height: auto\n }\n\n .img-res img {\n width: auto;\n height: auto !important;\n max-width: 100% !important\n }\n\n .sub_item_img {\n width: 80px;\n height: 80px;\n overflow: hidden;\n display: inline-block;\n vertical-align: middle\n }\n\n .breadcrumb_nav_img {\n height: 300px\n }\n\n .breadcrumb_nav_box .fa.fa-home {\n color: #666\n }\n\n .breadcrumb_nav_box a {\n color: var(--main-theme-color);\n text-decoration: none;\n font-weight: 600\n }\n\n .breadcrumb_nav_box .breadcrumb_nav_position {\n text-transform: none\n }\n\n .breadcrumb_nav_box span {\n text-transform: capitalize\n }\n\n .breadcrumb_nav_wrap {\n padding: 13px 0;\n background-color: #ececec\n }\n\n .breadcrumb_nav_list {\n margin: 0;\n padding: 0;\n display: flex;\n flex-wrap: wrap\n }\n\n .breadcrumb_nav_list li {\n margin: 0;\n padding: 0;\n list-style: none;\n margin-right: 10px\n }\n\n .breadcrumb_nav_list li a {\n text-transform: capitalize\n }\n\n .breadcrumb_nav_list li a:hover {\n color: var(--main-theme-color)\n }\n\n .breadcrumb_nav_list li i {\n margin-right: 4px\n }\n\n .breadcrumb_h1_box {\n background-color: #e5e5e5;\n text-align: center;\n height: 100%;\n width: 100%\n }\n\n .breadcrumb_h1_box h1 {\n font-size: 36px;\n font-family: Arial;\n font-weight: 700;\n color: #fff;\n width: 100%\n }\n\n .language-select .dropdown-menu {\n min-width: 170px;\n height: 600px;\n overflow: auto\n }\n\n .language-select i {\n vertical-align: middle\n }\n\n .has_box .sub_box .sub_item span {\n display: inline-block;\n max-width: 60%;\n vertical-align: middle\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 290px\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ru] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 330px\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ru] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=ru] .sub_item_img {\n width: 78px;\n height: 78px\n }\n\n [lang=ru] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 13px\n }\n\n [lang=cs] .sub_item_img {\n width: 76px;\n height: 76px\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a,\n [lang=cs] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 14px\n }\n\n [lang=lv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 260px\n }\n\n [lang=lv] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=lt] .main-nav nav .navbar-nav>.nav-item,\n [lang=vi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 12px;\n margin-right: 12px\n }\n\n [dir=rtl] .topbar ul {\n text-align: right\n }\n\n [dir=rtl] .top-contact-area ul li i {\n margin-left: 4px;\n margin-right: 0\n }\n\n [dir=rtl] .language-select i {\n margin-left: 4px;\n margin-right: 0\n }\n\n [dir=rtl] .main-nav nav .navbar-nav {\n margin-left: 0;\n margin-right: auto\n }\n\n [dir=rtl] .searchbox {\n padding: 18px 16px 18px 0\n }\n\n [lang=ko] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 14px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 310px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=hu] .main-nav nav .navbar-nav>.nav-item,\n [lang=iw] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 20px;\n margin-right: 20px\n }\n\n [lang=el] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 10px;\n margin-right: 10px\n }\n\n [lang=fi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 16px;\n margin-right: 16px\n }\n\n [lang=fi] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 15px\n }\n\n [lang=pl] .features .welcome_desc p {\n font-size: 24px\n }\n\n @media only screen and (max-width:1199px) {\n .topbar {\n border-bottom: none\n }\n }\n\n @media only screen and (max-width:767px) {\n .language-select 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<span>\u0635\u0645\u0627\u0645 \u0643\u0647\u0631\u0628\u0627\u0626\u064a \u064a\u0639\u0645\u0644<\/span>\n <\/a> <\/div>\n <div class=\"col-lg-4 col-md-4 col-sm-6 col-xs-12 col-12 sub_item\"> <a href=\"https:\/\/ar.covna-china.com\/products\/pneumatic-actuated-valve.html\">\n <div class=\"sub_item_img\"> <img src=\"\/\/v4-upload.goalsites.com\/728\/image_1638174547_Electric-valve.jpg?imageView2\/1\/w\/80\/h\/80\/format\/webp\" alt=\"\u0635\u0645\u0627\u0645 \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u0636\u063a\u0648\u0637\">\n<\/div> <span>\u0635\u0645\u0627\u0645 \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u0636\u063a\u0648\u0637<\/span>\n <\/a> <\/div>\n <div class=\"col-lg-4 col-md-4 col-sm-6 col-xs-12 col-12 sub_item\"> <a href=\"https:\/\/ar.covna-china.com\/products\/solenoid-valve.html\">\n <div class=\"sub_item_img\"> <img 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(s = \"Rom\u00e2n\u0103\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-ro\"))) : \/^(mt\\.)\/.test(t) ? (s = \"Malti\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-mt\"))) : \/^(no\\.)\/.test(t) ? (s = \"Norsk\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-no\"))) : \/^(sv\\.)\/.test(t) ? (s = \"Svenska\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-se\"))) : \/^(sk\\.)\/.test(t) ? (s = \"slovensk\u00fd\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-sk\"))) : \/^(sl\\.)\/.test(t) ? (s = \"Sloven\u0161\u010dina\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-si\"))) : \/^(tr\\.)\/.test(t) ? (s = \"T\u00fcrk\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-tr\"))) : \/^(hi\\.)\/.test(t) ? (s = \"\u0939\u093f\u0902\u0926\u0940\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-in\"))) : \/^(vi\\.)\/.test(t) ? (s = \"Ti\u1ebfng Vi\u1ec7t\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-vn\"))) : \/^(et\\.)\/.test(t) ? (s = \"Eesti\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-ee\"))) : \/^(sw\\.)\/.test(t) ? (s = \"Kiswahili\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-tz\"))) : \/^(ur\\.)\/.test(t) ? (s = \"\u0627\u0631\u062f\u0648\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-pk\"))) : \/^(uk\\.)\/.test(t) ? (s = \"\u0423\u043a\u0440\u0430\u0457\u043d\u0441\u044c\u043a\u0438\u0439\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-ua\"))) : \/^(iw\\.)\/.test(t) ? (s = \"\u05e2\u05b4\u05d1\u05e8\u05b4\u05d9\u05ea\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-il\"))) : \/^(el\\.)\/.test(t) ? (s = \"\u03b5\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-gr\"))) : \/^(hu\\.)\/.test(t) ? (s = \"Magyar\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-hu\"))) : \/^(bg\\.)\/.test(t) ? (s = \"\u0431\u044a\u043b\u0433\u0430\u0440\u0441\u043a\u0438\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-bg\"))) : \/^(af\\.)\/.test(t) ? (s = \"Afrikaans \", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-za\"))) : \/^(bs\\.)\/.test(t) ? (s = \"Bosanski\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-ba\"))) : \/^(fa\\.)\/.test(t) ? (s = \"\u0641\u0627\u0631\u0633\u06cc \", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-ir\"))) : \/^(da\\.)\/.test(t) ? (s = \"Danske\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-dk\"))) : \/^(fi\\.)\/.test(t) ? (s = \"Suomi\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-fi\"))) : \/^(id\\.)\/.test(t) ? (s = \"bahasa Indonesia\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-id\"))) : \/^(pl\\.)\/.test(t) && (s = \"Polskie\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-pl\"))), a && (a.innerHTML = s)\n }()\n <\/script><style>\n [lang=da] .blog-nav-pills a,\n [lang=de] .blog-nav-pills a,\n [lang=mt] .blog-nav-pills a,\n [lang=ru] .blog-nav-pills a,\n [lang=vi] .blog-nav-pills a {\n width: auto;\n padding: 0 20px\n }\n <\/style>\n<div class=\"blog blog-bg pt-80 pb-70\">\n <div class=\"w1200\">\n <div class=\"blog-section\">\n <ul class=\"blog-nav-pills wow fadeInUp\">\n<li class=\"nav-item\"> <a href=\"https:\/\/ar.covna-china.com\/articles\/company-news.html\">\u0623\u062e\u0628\u0627\u0631 \u0627\u0644\u0634\u0631\u0643\u0629<\/a> <\/li>\n <li class=\"nav-item\"> <a href=\"https:\/\/ar.covna-china.com\/articles\/industry-news.html\">\u0623\u062e\u0628\u0627\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u0629<\/a> <\/li>\n <li class=\"nav-item\"> <a href=\"https:\/\/ar.covna-china.com\/articles\/valves-study.html\">\u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a<\/a> <\/li>\n <\/ul>\n<div class=\"row\">\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/features-of-knife-gate-valve.html\" title=\"\u0645\u0644\u0627\u0645\u062d \u0633\u0643\u064a\u0646 \u0628\u0648\u0627\u0628\u0629 \u0635\u0645\u0627\u0645\"> <img class=\"lazy\" alt=\"\u0645\u0644\u0627\u0645\u062d \u0633\u0643\u064a\u0646 \u0628\u0648\u0627\u0628\u0629 \u0635\u0645\u0627\u0645\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0623\u0643\u062a\u0648\u0628\u0631 \u06f2\u06f4, \u06f2\u06f0\u06f2\u06f2<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/features-of-knife-gate-valve.html\" title=\"\u0645\u0644\u0627\u0645\u062d \u0633\u0643\u064a\u0646 \u0628\u0648\u0627\u0628\u0629 \u0635\u0645\u0627\u0645\">\u0645\u0644\u0627\u0645\u062d \u0633\u0643\u064a\u0646 \u0628\u0648\u0627\u0628\u0629 \u0635\u0645\u0627\u0645<\/a> <\/h4>\n <p>\u064a\u0633\u0645\u0649 \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0633\u0643\u064a\u0646 \u0623\u064a\u0636\u0627 \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0633\u0643\u064a\u0646 \u060c \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0633\u0643\u064a\u0646 \u060c \u0635\u0645\u0627\u0645 \u0627\u0644\u0637\u064a\u0646 \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0637\u064a\u0646. \u0623\u062c\u0632\u0627\u0621 \u0641\u062a\u062d\u0647\u0627 \u0648\u0625\u063a\u0644\u0627\u0642\u0647\u0627 \u0647\u064a \u0644\u0648\u062d\u0627\u062a \u0628\u0648\u0627\u0628\u0629. \u0627\u062a\u062c\u0627\u0647 \u062d\u0631\u0643\u0629 \u0644\u0648\u062d\u0629 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0639\u0645\u0648\u062f\u064a \u0639\u0644\u0649 \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0633\u0627\u0626\u0644. \u064a\u062a\u0645 \u0642\u0637\u0639 \u0627\u0644\u0648\u0633\u0637 \u0628\u0648\u0627\u0633\u0637\u0629 \u0628\u0648\u0627\u0628\u0629 \u062d\u0627\u0641\u0629 \u0627\u0644\u0633\u0643\u064a\u0646 \u0627\u0644\u062a\u064a \u064a\u0645\u0643\u0646\u0647\u0627 \u0642\u0637\u0639 \u0645\u0648\u0627\u062f \u0627\u0644\u0623\u0644\u064a\u0627\u0641. \u062a\u062d\u062a\u0648\u064a \u0644\u0648\u062d\u0629 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0639\u0644\u0649 \u0633\u0637\u062d\u064a\u0646 \u0645\u0627\u0646\u0639\u064a\u0646 \u0644\u0644\u062e\u062a\u0645. \u0627\u0644\u0633\u0637\u062d\u0627\u0646 \u0627\u0644\u062e\u062a\u0645\u0627\u0646 \u0644\u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0623\u0643\u062b\u0631 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627 \u064a\u0634\u0643\u0644\u0627\u0646 w<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/features-of-knife-gate-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0645\u0627 \u0647\u0648 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u061f\"> <img class=\"lazy\" alt=\"\u0645\u0627 \u0647\u0648 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0623\u0643\u062a\u0648\u0628\u0631 \u06f2\u06f4, \u06f2\u06f0\u06f2\u06f2<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0645\u0627 \u0647\u0648 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u061f\">\u0645\u0627 \u0647\u0648 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u061f<\/a> <\/h4>\n <p>\u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0647\u0648 \u0635\u0645\u0627\u0645 \u064a\u0639\u0645\u0644 \u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u0627 \u0645\u0639 \u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a \u0643\u0635\u0645\u0627\u0645 \u062a\u0648\u062c\u064a\u0647. \u0648\u063a\u0627\u0644\u0628\u0627 \u0645\u0627 \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0622\u0644\u064a \u0641\u064a \u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u064a\u0627\u0647 \u0648\u0627\u0644\u0635\u0631\u0641 \u0627\u0644\u0635\u062d\u064a \u0648\u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629. \u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u062f\u0642\u064a\u0642\u0629 \u0648\u0633\u0631\u064a\u0639\u0629 \u060c \u0648\u064a\u062a\u0645 \u0641\u062a\u062d \u0646\u0638\u0627\u0645 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0648\u0625\u063a\u0644\u0627\u0642\u0647 \u0639\u0646 \u0628\u0639\u062f \u0648\u0641\u0642\u0627 \u0644\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u062a\u062d\u0642\u064a\u0642 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0639\u0646 \u0628\u0639\u062f. \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u0644\u0644\u0623\u0648\u0628\u0631\u0627\u062a\u064a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0643\u0628\u064a\u0631\u0629<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/what-is-electric-control-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\"> <img class=\"lazy\" alt=\"\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0623\u0643\u062a\u0648\u0628\u0631 \u06f2\u06f4, \u06f2\u06f0\u06f2\u06f2<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\">\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/a> <\/h4>\n <p>\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0647\u0648\u0627\u0626\u064a \u0647\u0648 \u0635\u0645\u0627\u0645 \u0645\u062f\u0641\u0648\u0639 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u0636\u063a\u0648\u0637. \u0639\u0646\u062f \u0634\u0631\u0627\u0621 \u0635\u0645\u0627\u0645\u0627\u062a \u0647\u0648\u0627\u0626\u064a\u0629 \u060c \u0645\u0646 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u0641\u0642\u0637 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0648\u0627\u0644\u0623\u0646\u0648\u0627\u0639 \u0648\u0636\u063a\u0648\u0637 \u0627\u0644\u0639\u0645\u0644 \u0644\u062a\u0644\u0628\u064a\u0629 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0634\u0631\u0627\u0621. \u062a\u062f\u0641\u0642. \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0647\u0648\u0627\u0626\u064a \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a \u0647\u0648 \u0627\u0644\u0641\u0631\u0642 \u0641\u064a \u0645\u0635\u062f\u0631 \u0627\u0644\u0625\u0634\u0627\u0631\u0629. \u064a\u0633\u062a\u062e\u062f\u0645 \u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u063a\u0627\u0632 \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a \u0644\u062f\u0641\u0639 \u0642\u0644\u0628 \u0627\u0644\u0635\u0645\u0627\u0645 \u0625\u0644\u0649 \u062a\u063a\u064a\u064a\u0631 \u0631\u0647\u064a\u0628<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/how-to-maintain-the-control-valve.html\" title=\"\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645\u061f\"> <img class=\"lazy\" alt=\"\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1637133592_Manual-valve.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0623\u0643\u062a\u0648\u0628\u0631 \u06f2\u06f4, \u06f2\u06f0\u06f2\u06f2<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/how-to-maintain-the-control-valve.html\" title=\"\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645\u061f\">\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645\u061f<\/a> <\/h4>\n <p>\u064a\u062a\u0645\u064a\u0632 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0628\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0628\u0633\u064a\u0637 \u0648\u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0645\u0648\u062b\u0648\u0642 \u0628\u0647 \u060c \u0648\u0644\u0643\u0646 \u0646\u0638\u0631\u0627 \u0644\u0623\u0646\u0647 \u0639\u0644\u0649 \u0627\u062a\u0635\u0627\u0644 \u0645\u0628\u0627\u0634\u0631 \u0628\u0648\u0633\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u060c \u0641\u0625\u0646 \u0623\u062f\u0627\u0626\u0647 \u064a\u0624\u062b\u0631 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u062c\u0648\u062f\u0629 \u0627\u0644\u0646\u0638\u0627\u0645 \u0648\u0627\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0628\u064a\u0626\u064a \u060c \u0644\u0630\u0644\u0643 \u064a\u062c\u0628 \u0635\u064a\u0627\u0646\u0629 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0648\u0625\u0635\u0644\u0627\u062d\u0647 \u0628\u0627\u0646\u062a\u0638\u0627\u0645 \u060c \u062e\u0627\u0635\u0629 \u0641\u064a \u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0642\u0627\u0633\u064a\u0629 \u0648\u0627\u0644\u0645\u0647\u0645\u0629. \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u0623\u062d\u064a\u0627\u0646 \u060c \u064a\u0646\u0628\u063a\u064a \u0625\u064a\u0644\u0627\u0621 \u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0627\u0647\u062a\u0645\u0627\u0645 \u0644\u0623\u0639\u0645\u0627\u0644 \u0627\u0644\u0635\u064a\u0627\u0646\u0629. \u0645\u0641\u062a\u0627\u062d<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/how-to-maintain-the-control-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0645\u0627 \u0647\u064a \u0645\u0632\u0627\u064a\u0627 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629\u061f\"> <img class=\"lazy\" alt=\"\u0645\u0627 \u0647\u064a \u0645\u0632\u0627\u064a\u0627 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029199_t-video.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>07 \u0633\u0628\u062a\u0645\u0628\u0631 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0645\u0627 \u0647\u064a \u0645\u0632\u0627\u064a\u0627 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629\u061f\">\u0645\u0627 \u0647\u064a \u0645\u0632\u0627\u064a\u0627 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629\u061f<\/a> <\/h4>\n <p>1. \u0645\u0642\u0627\u0648\u0645\u0629 \u062a\u062f\u0641\u0642 \u0635\u063a\u064a\u0631\u0629. \u0627\u0644\u0642\u0646\u0627\u0629 \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629 \u062f\u0627\u062e\u0644 \u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645 \u0645\u0633\u062a\u0642\u064a\u0645\u0629 \u060c \u0648\u064a\u062a\u062f\u0641\u0642 \u0627\u0644\u0648\u0633\u0637 \u0641\u064a \u062e\u0637 \u0645\u0633\u062a\u0642\u064a\u0645 \u060c \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0635\u063a\u064a\u0631\u0629. 2. \u0625\u0646\u0647 \u0623\u0643\u062b\u0631 \u062a\u0648\u0641\u064a\u0631\u0627 \u0644\u0644\u0639\u0645\u0627\u0644\u0629 \u0639\u0646\u062f \u0627\u0644\u0641\u062a\u062d \u0648\u0627\u0644\u0625\u063a\u0644\u0627\u0642. \u0628\u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0639 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u060c \u0644\u0623\u0646\u0647 \u0633\u0648\u0627\u0621 \u0643\u0627\u0646 \u0645\u0641\u062a\u0648\u062d\u0627 \u0623\u0648 \u0645\u063a\u0644\u0642\u0627 \u060c \u0641\u0625\u0646 \u0627\u062a\u062c\u0627\u0647 \u062d\u0631\u0643\u0629 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0639\u0645\u0648\u062f\u064a \u0639\u0644\u0649 \u0627\u062a\u062c\u0627\u0647 \u062a\u062f\u0641\u0642 \u0627\u0644\u0648\u0633\u0637. 3. \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0643\u0628\u064a\u0631 \u0648\u0641\u062a\u062d \u0648\u0625\u063a\u0644\u0627\u0642 ti<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/ar.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0647\u0644 \u062a\u0639\u0631\u0641 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a\u061f\"> <img class=\"lazy\" alt=\"\u0647\u0644 \u062a\u0639\u0631\u0641 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a\u061f\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029164_about_icon2.png?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>07 \u0633\u0628\u062a\u0645\u0628\u0631 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/ar.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0647\u0644 \u062a\u0639\u0631\u0641 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a\u061f\">\u0647\u0644 \u062a\u0639\u0631\u0641 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a\u061f<\/a> <\/h4>\n <p>1. \u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u0644\u0628\u064a \u0644\u062f\u064a\u0647 \u0623\u062f\u0627\u0621 \u0645\u0645\u062a\u0627\u0632 \u0644\u0645\u0643\u0627\u0641\u062d\u0629 \u0627\u0644\u062a\u0633\u0631\u0628 \u060c \u064a\u0641\u062a\u062d \u0648\u064a\u063a\u0644\u0642 \u0628\u0633\u0631\u0639\u0629 \u060c \u0648\u0644\u062f\u064a\u0647 \u0637\u0627\u0642\u0629 \u0645\u0646\u062e\u0641\u0636\u0629. \u0648\u0647\u064a \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0643\u0642\u0637\u0639 \u0641\u064a \u0628\u0639\u0636 \u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0645\u062b\u0644 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0627\u0644\u0633\u0645\u064a\u0629. \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0641\u064a \u0627\u0644\u063a\u0627\u0644\u0628 \u0644\u062a\u0646\u0638\u064a\u0645 \u062a\u062f\u0641\u0642 \u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u060c \u0648\u064a\u062a\u0645 \u062a\u062b\u0628\u064a\u062a\u0647\u0627 \u0639\u0627\u062f\u0629 \u0641\u064a \u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u062a\u0628\u0631\u064a\u062f. \u064a\u0645\u0643\u0646 \u0623\u064a\u0636\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0646\u0641\u0630 \u0627\u0644\u0647\u0648\u0627\u0621 \u0644\u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0641\u064a \u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0633\u0627\u0626\u0644\u0629 \u060c \u0648\u064a\u0633\u062a\u062e\u062f\u0645 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a Canne<\/p> <a class=\"read-more-btn\" href=\"https:\/\/ar.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f >><\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"col-lg-12 col-md-12 col-12 pagination-box wow fadeInUp\">\n <nav aria-label=\"Page navigation example\"><ul class=\"pagination\">\n<li class=\"active\"><a href=\"javascript:void(0);\">1<\/a><\/li>\n <li><a href=\"https:\/\/ar.covna-china.com\/articles\/all\/2.html\">2<\/a><\/li>\n <li><a href=\"https:\/\/ar.covna-china.com\/articles\/all\/3.html\">3<\/a><\/li>\n <li><a href=\"https:\/\/ar.covna-china.com\/articles\/all\/4.html\">4<\/a><\/li>\n <li><a href=\"https:\/\/ar.covna-china.com\/articles\/all\/5.html\">5<\/a><\/li>\n <li><a 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