{"id":26765,"date":"2024-11-26T17:03:12","date_gmt":"2024-11-26T17:03:12","guid":{"rendered":"https:\/\/www.petroleumpipes.com\/?p=26765"},"modified":"2024-11-26T20:34:45","modified_gmt":"2024-11-26T20:34:45","slug":"chinas-top-5-suppliers-of-oil-casing-2","status":"publish","type":"post","link":"https:\/\/www.petroleumpipes.com\/ka\/chinas-top-5-suppliers-of-oil-casing-2\/","title":{"rendered":"\u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 5 \u10e1\u10d0\u10e3\u10d9\u10d4\u10d7\u10d4\u10e1\u10dd \u10db\u10d8\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10d4\u10da\u10d8 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10d7 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8\u10d7."},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.petroleumpipes.com\/ka\/chinas-top-5-suppliers-of-oil-casing-2\/#%E1%83%AE%E1%83%90%E1%83%A0%E1%83%98%E1%83%A1%E1%83%AE%E1%83%98%E1%83%A1_%E1%83%A1%E1%83%94%E1%83%A0%E1%83%97%E1%83%98%E1%83%A4%E1%83%98%E1%83%99%E1%83%90%E1%83%A2%E1%83%94%E1%83%91%E1%83%98_%E1%83%A2%E1%83%90%E1%83%A0%E1%83%93%E1%83%94%E1%83%91%E1%83%90_%E1%83%A9%E1%83%98%E1%83%9C%E1%83%94%E1%83%97%E1%83%98%E1%83%A1_%E1%83%9C%E1%83%90%E1%83%95%E1%83%97%E1%83%9D%E1%83%91%E1%83%98%E1%83%A1_%E1%83%92%E1%83%90%E1%83%A0%E1%83%A1%E1%83%90%E1%83%AA%E1%83%9B%E1%83%98%E1%83%A1_%E1%83%A2%E1%83%9D%E1%83%9E_5_%E1%83%9B%E1%83%9D%E1%83%9B%E1%83%AC%E1%83%9D%E1%83%93%E1%83%94%E1%83%91%E1%83%9A%E1%83%98%E1%83%A1_%E1%83%9B%E1%83%98%E1%83%94%E1%83%A0\" title=\"\u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8 \u10e2\u10d0\u10e0\u10d3\u10d4\u10d1\u10d0 \u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10e2\u10dd\u10de 5 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d8\u10e1 \u10db\u10d8\u10d4\u10e0\">\u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8 \u10e2\u10d0\u10e0\u10d3\u10d4\u10d1\u10d0 \u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10e2\u10dd\u10de 5 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d8\u10e1 \u10db\u10d8\u10d4\u10e0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.petroleumpipes.com\/ka\/chinas-top-5-suppliers-of-oil-casing-2\/#%E1%83%A9%E1%83%98%E1%83%9C%E1%83%94%E1%83%97%E1%83%98%E1%83%A1_%E1%83%9C%E1%83%90%E1%83%95%E1%83%97%E1%83%9D%E1%83%91%E1%83%98%E1%83%A1_%E1%83%92%E1%83%90%E1%83%A0%E1%83%A1%E1%83%90%E1%83%AA%E1%83%9B%E1%83%98%E1%83%A1_%E1%83%AC%E1%83%90%E1%83%9B%E1%83%A7%E1%83%95%E1%83%90%E1%83%9C%E1%83%98_%E1%83%9B%E1%83%9D%E1%83%9B%E1%83%AC%E1%83%9D%E1%83%93%E1%83%94%E1%83%91%E1%83%9A%E1%83%94%E1%83%91%E1%83%98%E1%83%A1_%E1%83%9B%E1%83%93%E1%83%92%E1%83%A0%E1%83%90%E1%83%93%E1%83%9D%E1%83%91%E1%83%98%E1%83%A1_%E1%83%9E%E1%83%A0%E1%83%90%E1%83%A5%E1%83%A2%E1%83%98%E1%83%99%E1%83%90\" title=\"\u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ec\u10d0\u10db\u10e7\u10d5\u10d0\u10dc\u10d8 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10d8\u10e1 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10e1 \u10de\u10e0\u10d0\u10e5\u10e2\u10d8\u10d9\u10d0\">\u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ec\u10d0\u10db\u10e7\u10d5\u10d0\u10dc\u10d8 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10d8\u10e1 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10e1 \u10de\u10e0\u10d0\u10e5\u10e2\u10d8\u10d9\u10d0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.petroleumpipes.com\/ka\/chinas-top-5-suppliers-of-oil-casing-2\/#%E1%83%A2%E1%83%94%E1%83%A5%E1%83%9C%E1%83%9D%E1%83%9A%E1%83%9D%E1%83%92%E1%83%98%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%98%E1%83%9C%E1%83%9D%E1%83%95%E1%83%90%E1%83%AA%E1%83%98%E1%83%94%E1%83%91%E1%83%98_%E1%83%9C%E1%83%90%E1%83%95%E1%83%97%E1%83%9D%E1%83%91%E1%83%98%E1%83%A1_%E1%83%92%E1%83%90%E1%83%A0%E1%83%A1%E1%83%90%E1%83%AA%E1%83%9B%E1%83%98%E1%83%A1_%E1%83%AC%E1%83%90%E1%83%A0%E1%83%9B%E1%83%9D%E1%83%94%E1%83%91%E1%83%90%E1%83%A8%E1%83%98_%E1%83%A1%E1%83%90%E1%83%A3%E1%83%99%E1%83%94%E1%83%97%E1%83%94%E1%83%A1%E1%83%9D_%E1%83%A9%E1%83%98%E1%83%9C%E1%83%94%E1%83%9A%E1%83%98_%E1%83%9B%E1%83%9D%E1%83%9B%E1%83%AC%E1%83%9D%E1%83%93%E1%83%94%E1%83%91%E1%83%9A%E1%83%94%E1%83%91%E1%83%98%E1%83%A1_%E1%83%9B%E1%83%98%E1%83%94%E1%83%A0\" title=\"\u10e2\u10d4\u10e5\u10dc\u10dd\u10da\u10dd\u10d2\u10d8\u10e3\u10e0\u10d8 \u10d8\u10dc\u10dd\u10d5\u10d0\u10ea\u10d8\u10d4\u10d1\u10d8 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d0\u10e8\u10d8 \u10e1\u10d0\u10e3\u10d9\u10d4\u10d7\u10d4\u10e1\u10dd \u10e9\u10d8\u10dc\u10d4\u10da\u10d8 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10d8\u10e1 \u10db\u10d8\u10d4\u10e0\">\u10e2\u10d4\u10e5\u10dc\u10dd\u10da\u10dd\u10d2\u10d8\u10e3\u10e0\u10d8 \u10d8\u10dc\u10dd\u10d5\u10d0\u10ea\u10d8\u10d4\u10d1\u10d8 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d0\u10e8\u10d8 \u10e1\u10d0\u10e3\u10d9\u10d4\u10d7\u10d4\u10e1\u10dd \u10e9\u10d8\u10dc\u10d4\u10da\u10d8 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10d8\u10e1 \u10db\u10d8\u10d4\u10e0<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"quality-certifications-held-by-chinas-top-5-oil-casing-suppliers-wpaicgheading\"><span class=\"ez-toc-section\" id=\"%E1%83%AE%E1%83%90%E1%83%A0%E1%83%98%E1%83%A1%E1%83%AE%E1%83%98%E1%83%A1_%E1%83%A1%E1%83%94%E1%83%A0%E1%83%97%E1%83%98%E1%83%A4%E1%83%98%E1%83%99%E1%83%90%E1%83%A2%E1%83%94%E1%83%91%E1%83%98_%E1%83%A2%E1%83%90%E1%83%A0%E1%83%93%E1%83%94%E1%83%91%E1%83%90_%E1%83%A9%E1%83%98%E1%83%9C%E1%83%94%E1%83%97%E1%83%98%E1%83%A1_%E1%83%9C%E1%83%90%E1%83%95%E1%83%97%E1%83%9D%E1%83%91%E1%83%98%E1%83%A1_%E1%83%92%E1%83%90%E1%83%A0%E1%83%A1%E1%83%90%E1%83%AA%E1%83%9B%E1%83%98%E1%83%A1_%E1%83%A2%E1%83%9D%E1%83%9E_5_%E1%83%9B%E1%83%9D%E1%83%9B%E1%83%AC%E1%83%9D%E1%83%93%E1%83%94%E1%83%91%E1%83%9A%E1%83%98%E1%83%A1_%E1%83%9B%E1%83%98%E1%83%94%E1%83%A0\"><\/span>\u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8 \u10e2\u10d0\u10e0\u10d3\u10d4\u10d1\u10d0 \u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10e2\u10dd\u10de 5 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d8\u10e1 \u10db\u10d8\u10d4\u10e0<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\n\u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1, \u10e0\u10dd\u10d2\u10dd\u10e0\u10ea \u10d2\u10da\u10dd\u10d1\u10d0\u10da\u10e3\u10e0\u10d8 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d8\u10e1 \u10db\u10d7\u10d0\u10d5\u10d0\u10e0\u10d8 \u10db\u10dd\u10d7\u10d0\u10db\u10d0\u10e8\u10d4\u10e1 \u10de\u10dd\u10d6\u10d8\u10ea\u10d8\u10d0 \u10e3\u10d3\u10d0\u10dd\u10d0, \u10db\u10e1\u10dd\u10e4\u10da\u10d8\u10dd \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10db\u10dd\u10db\u10d0\u10e0\u10d0\u10d2\u10d4\u10d1\u10d8\u10e1 \u10db\u10dc\u10d8\u10e8\u10d5\u10dc\u10d4\u10da\u10dd\u10d5\u10d0\u10dc\u10d8 \u10dc\u10d0\u10ec\u10d8\u10da\u10d8 \u10e1\u10ec\u10dd\u10e0\u10d4\u10d3 \u10e5\u10d5\u10d4\u10e7\u10dc\u10d8\u10d3\u10d0\u10dc \u10db\u10dd\u10d3\u10d8\u10e1. \u10d0\u10db \u10d9\u10dd\u10dc\u10e2\u10d4\u10e5\u10e1\u10e2\u10e8\u10d8, \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10db\u10dd\u10de\u10dd\u10d5\u10d4\u10d1\u10d0\u10e1\u10d0 \u10d3\u10d0 \u10e2\u10e0\u10d0\u10dc\u10e1\u10de\u10dd\u10e0\u10e2\u10d8\u10e0\u10d4\u10d1\u10d0\u10e8\u10d8 \u10d2\u10d0\u10db\u10dd\u10e7\u10d4\u10dc\u10d4\u10d1\u10e3\u10da\u10d8 \u10d6\u10d4\u10d7\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10e1 \u10e3\u10d3\u10d8\u10d3\u10d4\u10e1\u10d8 \u10db\u10dc\u10d8\u10e8\u10d5\u10dc\u10d4\u10da\u10dd\u10d1\u10d0 \u10d0\u10e5\u10d5\u10e1. \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10db\u10d9\u10d0\u10ea\u10e0 \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d4\u10d1\u10e1 \u10d0\u10d9\u10db\u10d0\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10dd\u10de\u10d4\u10e0\u10d0\u10ea\u10d8\u10d4\u10d1\u10d8\u10e1 \u10e3\u10e1\u10d0\u10e4\u10e0\u10d7\u10ee\u10dd\u10d4\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10d4\u10e4\u10d4\u10e5\u10e2\u10e3\u10e0\u10dd\u10d1\u10d8\u10e1\u10d7\u10d5\u10d8\u10e1 \u10d2\u10d0\u10d3\u10d0\u10db\u10ec\u10e7\u10d5\u10d4\u10e2\u10d8 \u10db\u10dc\u10d8\u10e8\u10d5\u10dc\u10d4\u10da\u10dd\u10d1\u10d0. \u10e9\u10d8\u10dc\u10d4\u10d7\u10d8 \u10d0\u10db\u10d0\u10e7\u10dd\u10d1\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10e0\u10d0\u10db\u10d3\u10d4\u10dc\u10d8\u10db\u10d4 \u10ec\u10d0\u10db\u10e7\u10d5\u10d0\u10dc\u10d8 \u10db\u10d8\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d8\u10d7 \u10db\u10e1\u10dd\u10e4\u10da\u10d8\u10dd\u10e8\u10d8, \u10e4\u10dd\u10d9\u10e3\u10e1\u10d8\u10e0\u10d4\u10d1\u10e3\u10da\u10d8\u10d0 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d6\u10d4, \u10e0\u10d0\u10ea \u10ee\u10d0\u10d6\u10e1 \u10e3\u10e1\u10d5\u10d0\u10db\u10e1 \u10db\u10d0\u10d7 \u10e1\u10e0\u10e3\u10da\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10d8\u10e1 \u10d4\u10e0\u10d7\u10d2\u10e3\u10da\u10d4\u10d1\u10d0\u10e1. \u10e9\u10d8\u10dc\u10d4\u10d7\u10e8\u10d8 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10d4\u10e0\u10d7-\u10d4\u10e0\u10d7\u10d8 \u10ec\u10d0\u10db\u10e7\u10d5\u10d0\u10dc\u10d8 \u10db\u10d8\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10d4\u10da\u10d8\u10d0 XYZ <a href=\"\/tag\/energy\" target=\"_blank\"><strong>energy<\/strong><\/a> Supplies. XYZ-\u10db\u10d0 \u10db\u10dd\u10d8\u10de\u10dd\u10d5\u10d0 \u10e0\u10d4\u10de\u10e3\u10e2\u10d0\u10ea\u10d8\u10d0 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10d0\u10d4\u10e0\u10d7\u10d0\u10e8\u10dd\u10e0\u10d8\u10e1\u10dd \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d4\u10d1\u10d8\u10e1 \u10d3\u10d0\u10ea\u10d5\u10d8\u10d7, \u10e4\u10da\u10dd\u10d1\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10e1 \u10ea\u10dc\u10dd\u10d1\u10d8\u10da\u10d8 \u10dd\u10e0\u10d2\u10d0\u10dc\u10dd\u10d4\u10d1\u10d8\u10e1\u10d2\u10d0\u10dc, \u10e0\u10dd\u10d2\u10dd\u10e0\u10d8\u10ea\u10d0\u10d0 \u10d0\u10db\u10d4\u10e0\u10d8\u10d9\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d8\u10dc\u10e1\u10e2\u10d8\u10e2\u10e3\u10e2\u10d8 (<a href=\"\/tag\/api\" target=\"_blank\"><strong><strong>\u00a0API<\/strong><\/strong><\/a>). \u10d4\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d8 \u10d4\u10db\u10e1\u10d0\u10ee\u10e3\u10e0\u10d4\u10d1\u10d0 \u10e0\u10dd\u10d2\u10dd\u10e0\u10ea XYZ-\u10d8\u10e1 \u10d4\u10e0\u10d7\u10d2\u10e3\u10da\u10d4\u10d1\u10d8\u10e1 \u10d3\u10d0\u10d3\u10d0\u10e1\u10e2\u10e3\u10e0\u10d4\u10d1\u10d0\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d0\u10e8\u10d8, \u10e0\u10dd\u10db\u10d4\u10da\u10d8\u10ea \u10d0\u10d9\u10db\u10d0\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10e1 \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d8\u10e1 \u10e3\u10db\u10d0\u10e6\u10da\u10d4\u10e1 \u10d9\u10e0\u10d8\u10e2\u10d4\u10e0\u10d8\u10e3\u10db\u10d4\u10d1\u10e1.<\/p>\n<p> \u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10d1\u10d0\u10d6\u10d0\u10e0\u10d6\u10d4 \u10d9\u10d8\u10d3\u10d4\u10d5 \u10d4\u10e0\u10d7\u10d8 \u10ea\u10dc\u10dd\u10d1\u10d8\u10da\u10d8 \u10db\u10dd\u10d7\u10d0\u10db\u10d0\u10e8\u10d4\u10d0 ABC PetroTech. ABC-\u10d8\u10e1 \u10d5\u10d0\u10da\u10d3\u10d4\u10d1\u10e3\u10da\u10d4\u10d1\u10d0 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1\u10d0\u10d3\u10db\u10d8 \u10d0\u10d8\u10e1\u10d0\u10ee\u10d4\u10d1\u10d0 \u10db\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10e8\u10d8 \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d8\u10d6\u10d0\u10ea\u10d8\u10d8\u10e1 \u10e1\u10d0\u10d4\u10e0\u10d7\u10d0\u10e8\u10dd\u10e0\u10d8\u10e1\u10dd \u10dd\u10e0\u10d2\u10d0\u10dc\u10d8\u10d6\u10d0\u10ea\u10d8\u10d8\u10e1 (<a href=\"\/tag\/iso\" target=\"_blank\"><strong>iso<\/strong><\/a>) \u10db\u10d8\u10d4\u10e0. ISO \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d8 \u10d0\u10e0\u10d8\u10e1 \u10d2\u10da\u10dd\u10d1\u10d0\u10da\u10e3\u10e0\u10d0\u10d3 \u10d0\u10e6\u10d8\u10d0\u10e0\u10d4\u10d1\u10e3\u10da\u10d8 \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d8, \u10e0\u10dd\u10db\u10d4\u10da\u10d8\u10ea \u10d0\u10e6\u10dc\u10d8\u10e8\u10dc\u10d0\u10d5\u10e1 ABC-\u10d8\u10e1 \u10e8\u10d4\u10e1\u10d0\u10d1\u10d0\u10db\u10d8\u10e1\u10dd\u10d1\u10d0\u10e1 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10db\u10d0\u10e0\u10d7\u10d5\u10d8\u10e1 \u10db\u10d9\u10d0\u10ea\u10e0 \u10de\u10e0\u10d0\u10e5\u10e2\u10d8\u10d9\u10d4\u10d1\u10d7\u10d0\u10dc, \u10e0\u10d0\u10ea \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e4\u10e1, \u10e0\u10dd\u10db \u10db\u10d0\u10d7\u10d8 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10d8 \u10e3\u10db\u10d0\u10e6\u10da\u10d4\u10e1\u10d8 \u10d9\u10d0\u10da\u10d8\u10d1\u10e0\u10d8\u10e1 \u10d8\u10e7\u10dd\u10e1. \u10e3\u10e1\u10d0\u10e4\u10e0\u10d7\u10ee\u10dd\u10d4\u10d1\u10d0. DEF \u10e4\u10da\u10dd\u10d1\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10e1 \u10e8\u10e0\u10dd\u10db\u10d8\u10e1 \u10e3\u10e1\u10d0\u10e4\u10e0\u10d7\u10ee\u10dd\u10d4\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10ef\u10d0\u10dc\u10db\u10e0\u10d7\u10d4\u10da\u10dd\u10d1\u10d8\u10e1 \u10d0\u10d3\u10db\u10d8\u10dc\u10d8\u10e1\u10e2\u10e0\u10d0\u10ea\u10d8\u10d8\u10e1\u10d2\u10d0\u10dc (OSHA), \u10e0\u10dd\u10db\u10d4\u10da\u10d8\u10ea \u10ee\u10d0\u10d6\u10e1 \u10e3\u10e1\u10d5\u10d0\u10db\u10e1 \u10db\u10d8\u10e1 \u10d5\u10d0\u10da\u10d3\u10d4\u10d1\u10e3\u10da\u10d4\u10d1\u10d0\u10e1 \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e1 \u10d6\u10d4\u10d7\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d4\u10d1\u10d8, \u10e0\u10dd\u10db\u10d4\u10da\u10d8\u10ea \u10d0\u10d9\u10db\u10d0\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10e1 \u10e3\u10e1\u10d0\u10e4\u10e0\u10d7\u10ee\u10dd\u10d4\u10d1\u10d8\u10e1 \u10db\u10d9\u10d0\u10ea\u10e0 \u10e0\u10d4\u10d2\u10e3\u10da\u10d0\u10ea\u10d8\u10d4\u10d1\u10e1. \u10e3\u10e1\u10d0\u10e4\u10e0\u10d7\u10ee\u10dd\u10d4\u10d1\u10d8\u10e1\u10d0\u10d3\u10db\u10d8 \u10d4\u10e1 \u10d4\u10e0\u10d7\u10d2\u10e3\u10da\u10d4\u10d1\u10d0 \u10d2\u10d0\u10dc\u10d0\u10e1\u10ee\u10d5\u10d0\u10d5\u10d4\u10d1\u10e1 DEF-\u10e1, \u10e0\u10dd\u10d2\u10dd\u10e0\u10ea \u10e1\u10d0\u10dc\u10d3\u10dd \u10d3\u10d0 \u10de\u10d0\u10e1\u10e3\u10ee\u10d8\u10e1\u10db\u10d2\u10d4\u10d1\u10d4\u10da \u10db\u10d8\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10d4\u10da\u10e1 \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d0\u10e8\u10d8. GHI-\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8 \u10d2\u10d0\u10e0\u10d4\u10db\u10dd\u10e1 \u10d3\u10d0\u10ea\u10d5\u10d8\u10e1 \u10e1\u10d0\u10d0\u10d2\u10d4\u10dc\u10e2\u10dd\u10e1\u10d2\u10d0\u10dc (EPA) \u10ee\u10d0\u10d6\u10e1 \u10e3\u10e1\u10d5\u10d0\u10db\u10e1 \u10db\u10d8\u10e1 \u10eb\u10d0\u10da\u10d8\u10e1\u10ee\u10db\u10d4\u10d5\u10d0\u10e1 \u10d4\u10d9\u10dd\u10da\u10dd\u10d2\u10d8\u10e3\u10e0\u10d0\u10d3 \u10e1\u10e3\u10e4\u10d7\u10d0 \u10e1\u10d0\u10ee\u10d8\u10d7 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d0\u10e8\u10d8, \u10d2\u10da\u10dd\u10d1\u10d0\u10da\u10e3\u10e0\u10d8 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10e1 \u10db\u10d8\u10d6\u10dc\u10d4\u10d1\u10d7\u10d0\u10dc \u10e8\u10d4\u10e1\u10d0\u10d1\u10d0\u10db\u10d8\u10e1\u10dd\u10d1\u10d0\u10e8\u10d8. \u10d4\u10d9\u10dd\u10da\u10dd\u10d2\u10d8\u10e3\u10e0\u10d0\u10d3 \u10e1\u10e3\u10e4\u10d7\u10d0 \u10de\u10e0\u10d0\u10e5\u10e2\u10d8\u10d9\u10d8\u10e1 \u10de\u10e0\u10d8\u10dd\u10e0\u10d8\u10e2\u10d4\u10e2\u10d4\u10d1\u10d8\u10e1 \u10db\u10d8\u10dc\u10d8\u10ed\u10d4\u10d1\u10d8\u10d7, GHI \u10d0\u10d3\u10d2\u10d4\u10dc\u10e1 \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10e1 \u10d6\u10d4\u10d7\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10de\u10d0\u10e1\u10e3\u10ee\u10d8\u10e1\u10db\u10d2\u10d4\u10d1\u10da\u10dd\u10d1\u10d8\u10e1 \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d8\u10e1\u10d7\u10d5\u10d8\u10e1.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"casing pipe Wholesale-Price High-Quality high-grade Chinese,casing pipe Chinese best supplier,oil\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/VAtlhr2ffCw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.petroleumpipes.com\/wp-content\/uploads\/2024\/06\/K55-API-5CT-Casing-07.jpg\">\u10d3\u10d0\u10d1\u10dd\u10da\u10dd\u10e1, JKL Energy <a href=\"\/tag\/resources\" target=\"_blank\"><strong><a href=\"\/tag\/resource\" target=\"_blank\"><strong>re<a href=\"\/tag\/source\" target=\"_blank\"><strong>source<\/strong><\/a><\/strong><\/a>s<\/strong><\/a> \u10d0\u10d5\u10e1\u10d4\u10d1\u10e1 \u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10e1\u10d0\u10e3\u10d9\u10d4\u10d7\u10d4\u10e1\u10dd \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10d8\u10e1 \u10e1\u10d8\u10d0\u10e1, \u10d0\u10e5\u10ea\u10d4\u10dc\u10e2\u10d8 \u10d8\u10dc\u10dd\u10d5\u10d0\u10ea\u10d8\u10d4\u10d1\u10e1\u10d0 \u10d3\u10d0 \u10e2\u10d4\u10e5\u10dc\u10dd\u10da\u10dd\u10d2\u10d8\u10e3\u10e0 \u10ec\u10d8\u10dc\u10e1\u10d5\u10da\u10d0\u10d6\u10d4. JKL-\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8 \u10d4\u10dc\u10d4\u10e0\u10d2\u10d4\u10e2\u10d8\u10d9\u10d8\u10e1 \u10e1\u10d0\u10d4\u10e0\u10d7\u10d0\u10e8\u10dd\u10e0\u10d8\u10e1\u10dd \u10e1\u10d0\u10d0\u10d2\u10d4\u10dc\u10e2\u10dd\u10d3\u10d0\u10dc (IEA) \u10ee\u10d0\u10d6\u10e1 \u10e3\u10e1\u10d5\u10d0\u10db\u10e1 \u10db\u10d8\u10e1 \u10d5\u10d0\u10da\u10d3\u10d4\u10d1\u10e3\u10da\u10d4\u10d1\u10d0\u10e1, \u10d3\u10d0\u10e0\u10e9\u10d4\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d0\u10e8\u10d8 \u10e2\u10d4\u10e5\u10dc\u10dd\u10da\u10dd\u10d2\u10d8\u10e3\u10e0\u10d8 \u10d2\u10d0\u10dc\u10d5\u10d8\u10d7\u10d0\u10e0\u10d4\u10d1\u10d8\u10e1 \u10ec\u10d8\u10dc\u10d0 \u10de\u10da\u10d0\u10dc\u10d6\u10d4. \u10d9\u10d5\u10da\u10d4\u10d5\u10d0\u10e1\u10d0 \u10d3\u10d0 \u10d2\u10d0\u10dc\u10d5\u10d8\u10d7\u10d0\u10e0\u10d4\u10d1\u10d0\u10e8\u10d8 \u10d8\u10dc\u10d5\u10d4\u10e1\u10e2\u10d8\u10ea\u10d8\u10d4\u10d1\u10d8\u10d7 JKL \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e4\u10e1, \u10e0\u10dd\u10db \u10db\u10d8\u10e1\u10d8 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10d8 \u10d0\u10e6\u10ed\u10e3\u10e0\u10d5\u10d8\u10da\u10d8 \u10d8\u10e7\u10dd\u10e1 \u10e1\u10d4\u10e5\u10e2\u10dd\u10e0\u10d8\u10e1 \u10d2\u10d0\u10dc\u10d5\u10d8\u10d7\u10d0\u10e0\u10d4\u10d1\u10d0\u10d3\u10d8 \u10e1\u10d0\u10ed\u10d8\u10e0\u10dd\u10d4\u10d1\u10d4\u10d1\u10d8\u10e1 \u10d3\u10d0\u10e1\u10d0\u10d9\u10db\u10d0\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10da\u10d0\u10d3. API-\u10d3\u10d0\u10dc ISO-\u10db\u10d3\u10d4, OSHA-\u10d3\u10d0\u10dc EPA-\u10db\u10d3\u10d4 \u10d3\u10d0 IEA-\u10db\u10d3\u10d4, \u10d4\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8 \u10d0\u10e1\u10d0\u10ee\u10d0\u10d5\u10e1 \u10e1\u10e0\u10e3\u10da\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10d0\u10e1, \u10e3\u10e1\u10d0\u10e4\u10e0\u10d7\u10ee\u10dd\u10d4\u10d1\u10d0\u10e1, \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d0\u10e1 \u10d3\u10d0 \u10d8\u10dc\u10dd\u10d5\u10d0\u10ea\u10d8\u10d0\u10e1. \u10d0\u10db \u10e1\u10d0\u10dc\u10d3\u10dd \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10d8\u10e1\u10d2\u10d0\u10dc \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10d0\u10e0\u10e9\u10d4\u10d5\u10d8\u10d7, \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d9\u10dd\u10db\u10de\u10d0\u10dc\u10d8\u10d4\u10d1\u10e1 \u10e8\u10d4\u10e3\u10eb\u10da\u10d8\u10d0\u10d7 \u10d3\u10d0\u10e0\u10ec\u10db\u10e3\u10dc\u10d4\u10d1\u10e3\u10da\u10dc\u10d8 \u10d8\u10e7\u10d5\u10dc\u10d4\u10dc, \u10e0\u10dd\u10db \u10d8\u10dc\u10d5\u10d4\u10e1\u10e2\u10d8\u10ea\u10d8\u10d0\u10e1 \u10d0\u10ee\u10dd\u10e0\u10ea\u10d8\u10d4\u10da\u10d4\u10d1\u10d4\u10dc \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10e8\u10d8, \u10e0\u10dd\u10db\u10da\u10d4\u10d1\u10d8\u10ea \u10d0\u10d9\u10db\u10d0\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10e1 \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d8\u10e1 \u10e3\u10db\u10d0\u10e6\u10da\u10d4\u10e1\u10d8 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d4\u10d1\u10e1.<\/p>\n<h1 id=\"sustainability-practices-of-chinas-leading-oil-casing-suppliers-wpaicgheading\"><span class=\"ez-toc-section\" id=\"%E1%83%A9%E1%83%98%E1%83%9C%E1%83%94%E1%83%97%E1%83%98%E1%83%A1_%E1%83%9C%E1%83%90%E1%83%95%E1%83%97%E1%83%9D%E1%83%91%E1%83%98%E1%83%A1_%E1%83%92%E1%83%90%E1%83%A0%E1%83%A1%E1%83%90%E1%83%AA%E1%83%9B%E1%83%98%E1%83%A1_%E1%83%AC%E1%83%90%E1%83%9B%E1%83%A7%E1%83%95%E1%83%90%E1%83%9C%E1%83%98_%E1%83%9B%E1%83%9D%E1%83%9B%E1%83%AC%E1%83%9D%E1%83%93%E1%83%94%E1%83%91%E1%83%9A%E1%83%94%E1%83%91%E1%83%98%E1%83%A1_%E1%83%9B%E1%83%93%E1%83%92%E1%83%A0%E1%83%90%E1%83%93%E1%83%9D%E1%83%91%E1%83%98%E1%83%A1_%E1%83%9E%E1%83%A0%E1%83%90%E1%83%A5%E1%83%A2%E1%83%98%E1%83%99%E1%83%90\"><\/span>\u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ec\u10d0\u10db\u10e7\u10d5\u10d0\u10dc\u10d8 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10d8\u10e1 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10e1 \u10de\u10e0\u10d0\u10e5\u10e2\u10d8\u10d9\u10d0<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\n\u10e9\u10d8\u10dc\u10d4\u10d7\u10d8 \u10d2\u10d0\u10db\u10dd\u10e0\u10e9\u10d4\u10e3\u10da\u10d8 \u10db\u10dd\u10d7\u10d0\u10db\u10d0\u10e8\u10d4\u10d0 \u10d2\u10da\u10dd\u10d1\u10d0\u10da\u10e3\u10e0 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10d2\u10d0\u10d6\u10d8\u10e1 \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d0\u10e8\u10d8, \u10e0\u10dd\u10db\u10d4\u10da\u10e1\u10d0\u10ea \u10db\u10dc\u10d8\u10e8\u10d5\u10dc\u10d4\u10da\u10dd\u10d5\u10d0\u10dc\u10d8 \u10d2\u10d0\u10d5\u10da\u10d4\u10dc\u10d0 \u10d0\u10e5\u10d5\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10db\u10d8\u10ec\u10dd\u10d3\u10d4\u10d1\u10d8\u10e1 \u10ef\u10d0\u10ed\u10d5\u10d6\u10d4. \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10db\u10d8\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10d8\u10e1 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8 \u10d3\u10d0 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10e1 \u10de\u10e0\u10d0\u10e5\u10e2\u10d8\u10d9\u10d0 \u10e9\u10d8\u10dc\u10d4\u10d7\u10e8\u10d8 \u10d0\u10e0\u10d8\u10e1 \u10d2\u10d0\u10d3\u10d0\u10db\u10ec\u10e7\u10d5\u10d4\u10e2\u10d8 \u10e4\u10d0\u10e5\u10e2\u10dd\u10e0\u10d4\u10d1\u10d8, \u10e0\u10dd\u10db\u10da\u10d4\u10d1\u10d8\u10ea \u10d2\u10d0\u10d5\u10da\u10d4\u10dc\u10d0\u10e1 \u10d0\u10ee\u10d3\u10d4\u10dc\u10d4\u10dc \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d8\u10e1 \u10db\u10d7\u10da\u10d8\u10d0\u10dc \u10e8\u10d4\u10e1\u10e0\u10e3\u10da\u10d4\u10d1\u10d0\u10d6\u10d4. \u10d0\u10db \u10e1\u10e2\u10d0\u10e2\u10d8\u10d0\u10e8\u10d8 \u10e9\u10d5\u10d4\u10dc \u10d2\u10d0\u10dc\u10d5\u10d8\u10ee\u10d8\u10da\u10d0\u10d5\u10d7 \u10e9\u10d8\u10dc\u10d4\u10d7\u10e8\u10d8 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10e2\u10dd\u10de 5 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10d4\u10da\u10e1, \u10e7\u10e3\u10e0\u10d0\u10d3\u10e6\u10d4\u10d1\u10d0\u10e1 \u10d2\u10d0\u10d5\u10d0\u10db\u10d0\u10ee\u10d5\u10d8\u10da\u10d4\u10d1\u10d7 \u10db\u10d0\u10d7 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d6\u10d4 \u10d3\u10d0 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10e1 \u10d8\u10dc\u10d8\u10ea\u10d8\u10d0\u10e2\u10d8\u10d5\u10d4\u10d1\u10d6\u10d4.<\/p>\n<p> \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10d4\u10e0\u10d7-\u10d4\u10e0\u10d7\u10d8 \u10ec\u10d0\u10db\u10e7\u10d5\u10d0\u10dc\u10d8 \u10db\u10d8\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10d4\u10da\u10d8 \u10e9\u10d8\u10dc\u10d4\u10d7\u10e8\u10d8 \u10d0\u10e0\u10d8\u10e1 Tianjin Dalipu <a href=\"\/tag\/oil-country-tubular-goods\" target=\"_blank\"><strong><a href=\"\/tag\/oil-country-tubular\" target=\"_blank\"><strong><a href=\"\/tag\/oil\" target=\"_blank\"><strong><strong> Oil<\/strong><\/strong><\/a> country <a href=\"\/tag\/tubular\" target=\"_blank\"><strong>tubular<\/strong><\/a><\/strong><\/a> goods<\/strong><\/a> Co., Ltd. \u10d0\u10db \u10d9\u10dd\u10db\u10de\u10d0\u10dc\u10d8\u10d0\u10db \u10d3\u10d0\u10d0\u10db\u10e7\u10d0\u10e0\u10d0 \u10eb\u10da\u10d8\u10d4\u10e0\u10d8 \u10e0\u10d4\u10de\u10e3\u10e2\u10d0\u10ea\u10d8\u10d0 \u10db\u10d0\u10e6\u10d0\u10da\u10d8 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10d8\u10e1 \u10db\u10d8\u10ec\u10dd\u10d3\u10d4\u10d1\u10d8\u10d7, \u10e0\u10dd\u10db\u10da\u10d4\u10d1\u10d8\u10ea \u10e8\u10d4\u10d4\u10e1\u10d0\u10d1\u10d0\u10db\u10d4\u10d1\u10d0 \u10e1\u10d0\u10d4\u10e0\u10d7\u10d0\u10e8\u10dd\u10e0\u10d8\u10e1\u10dd \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d4\u10d1\u10e1. \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8\u10d7, \u10e0\u10dd\u10d2\u10dd\u10e0\u10d8\u10ea\u10d0\u10d0 <a href=\"\/tag\/api-5ct\" target=\"_blank\"><strong><a href=\"\/tag\/api-5c\" target=\"_blank\"><strong>api 5c<\/strong><\/a>t<\/strong><\/a> \u10d3\u10d0 ISO 9001, Tianjin Dalipu \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e4\u10e1, \u10e0\u10dd\u10db \u10db\u10d8\u10e1\u10d8 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10d8 \u10e8\u10d4\u10d4\u10e1\u10d0\u10d1\u10d0\u10db\u10d4\u10d1\u10d0 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10db\u10d9\u10d0\u10ea\u10e0 \u10db\u10dd\u10d7\u10ee\u10dd\u10d5\u10dc\u10d4\u10d1\u10e1, \u10e0\u10d0\u10ea \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e4\u10e1 \u10e1\u10d0\u10dc\u10d3\u10dd\u10dd\u10d1\u10d0\u10e1 \u10d3\u10d0 \u10d2\u10d0\u10db\u10eb\u10da\u10d4\u10dd\u10d1\u10d0\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10d2\u10d0\u10d6\u10d8\u10e1 \u10dd\u10de\u10d4\u10e0\u10d0\u10ea\u10d8\u10d4\u10d1\u10e8\u10d8. ., \u10e8\u10de\u10e1. \u10ea\u10dc\u10dd\u10d1\u10d8\u10da\u10d8\u10d0 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10e1\u10d0\u10d3\u10db\u10d8 \u10d4\u10e0\u10d7\u10d2\u10e3\u10da\u10d4\u10d1\u10d8\u10d7, Jiangsu Changbao \u10e4\u10da\u10dd\u10d1\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10e1, \u10e0\u10dd\u10d2\u10dd\u10e0\u10d8\u10ea\u10d0\u10d0 API <a href=\"\/tag\/5ct\" target=\"_blank\"><strong><strong> 5CT<\/strong><\/strong><\/a> \u10d3\u10d0 ISO 14001. \u10d2\u10d0\u10e0\u10d4\u10db\u10dd\u10e1\u10d3\u10d0\u10ea\u10d5\u10d8\u10d7\u10d8 \u10db\u10d4\u10dc\u10d4\u10ef\u10db\u10d4\u10dc\u10e2\u10d8\u10e1 \u10e1\u10d8\u10e1\u10e2\u10d4\u10db\u10d4\u10d1\u10d8\u10e1 \u10d8\u10dc\u10e2\u10d4\u10d2\u10e0\u10d8\u10e0\u10d4\u10d1\u10d8\u10d7 \u10d7\u10d0\u10d5\u10d8\u10e1 \u10dd\u10de\u10d4\u10e0\u10d0\u10ea\u10d8\u10d4\u10d1\u10e8\u10d8, \u10d9\u10dd\u10db\u10de\u10d0\u10dc\u10d8\u10d0 \u10d0\u10d5\u10da\u10d4\u10dc\u10e1 \u10de\u10e0\u10dd\u10d0\u10e5\u10e2\u10d8\u10e3\u10da \u10db\u10d8\u10d3\u10d2\u10dd\u10db\u10d0\u10e1 \u10d2\u10d0\u10e0\u10d4\u10db\u10dd\u10e1\u10d3\u10d0\u10ea\u10d5\u10d8\u10d7\u10d8 \u10d0\u10dc\u10d0\u10d1\u10d4\u10ed\u10d3\u10d8\u10e1 \u10e8\u10d4\u10e1\u10d0\u10db\u10ea\u10d8\u10e0\u10d4\u10d1\u10da\u10d0\u10d3, \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d8\u10e1 \u10e1\u10e0\u10e3\u10da\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10d8\u10e1 \u10e8\u10d4\u10dc\u10d0\u10e0\u10e9\u10e3\u10dc\u10d4\u10d1\u10d8\u10e1\u10d0\u10e1. \u10e9\u10d8\u10dc\u10d4\u10d7\u10e8\u10d8, \u10e0\u10dd\u10db\u10d4\u10da\u10d8\u10ea \u10ea\u10dc\u10dd\u10d1\u10d8\u10da\u10d8\u10d0 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e4\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10e1 \u10d9\u10e3\u10d7\u10ee\u10d8\u10d7. \u10e4\u10da\u10dd\u10d1\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10e1, \u10e0\u10dd\u10d2\u10dd\u10e0\u10d8\u10ea\u10d0\u10d0 API 5CT \u10d3\u10d0 ISO 14001, Shandong Dongbao \u10ee\u10d0\u10d6\u10e1 \u10e3\u10e1\u10d5\u10d0\u10db\u10e1 \u10d2\u10d0\u10e0\u10d4\u10db\u10dd\u10e1\u10d3\u10d0\u10ea\u10d5\u10d8\u10d7\u10d8 \u10de\u10d0\u10e1\u10e3\u10ee\u10d8\u10e1\u10db\u10d2\u10d4\u10d1\u10da\u10dd\u10d1\u10d8\u10e1 \u10db\u10dc\u10d8\u10e8\u10d5\u10dc\u10d4\u10da\u10dd\u10d1\u10d0\u10e1 \u10db\u10d8\u10e1 \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d8\u10e1 \u10de\u10e0\u10dd\u10ea\u10d4\u10e1\u10d4\u10d1\u10e8\u10d8, \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10e1 \u10d2\u10da\u10dd\u10d1\u10d0\u10da\u10e3\u10e0 \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d4\u10d1\u10d7\u10d0\u10dc \u10e8\u10d4\u10e1\u10d0\u10d1\u10d0\u10db\u10d8\u10e1\u10dd\u10d1\u10d0\u10e8\u10d8.<\/p>\n<p>Hengyang Valin <a href=\"\/tag\/steel\" target=\"_blank\"><strong>steel<\/strong><\/a> Tube Co., Ltd. \u10d0\u10e0\u10d8\u10e1 \u10ea\u10dc\u10dd\u10d1\u10d8\u10da\u10d8 \u10e1\u10d0\u10ee\u10d4\u10da\u10d8 \u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d0\u10e8\u10d8 \u10d0\u10e6\u10d8\u10d0\u10e0\u10d4\u10d1\u10e3\u10da\u10d8\u10d0 \u10e3\u10db\u10d0\u10e6\u10da\u10d4\u10e1\u10d8 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10d8\u10d7\u10d0 \u10d3\u10d0 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10d8 \u10de\u10e0\u10d0\u10e5\u10e2\u10d8\u10d9\u10d8\u10d7. \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8\u10d7, \u10db\u10d0\u10d7 \u10e8\u10dd\u10e0\u10d8\u10e1 API 5CT \u10d3\u10d0 ISO 14001, Hengyang Valin \u10d8\u10ea\u10d0\u10d5\u10e1 \u10d2\u10d0\u10e0\u10d4\u10db\u10dd\u10e1 \u10d3\u10d0\u10ea\u10d5\u10d8\u10e1 \u10d5\u10d0\u10da\u10d3\u10d4\u10d1\u10e3\u10da\u10d4\u10d1\u10d0\u10e1 \u10d7\u10d0\u10d5\u10d8\u10e1 \u10e1\u10d0\u10ec\u10d0\u10e0\u10db\u10dd\u10dd \u10dd\u10d1\u10d8\u10d4\u10e5\u10e2\u10d4\u10d1\u10e8\u10d8 \u10d4\u10d9\u10dd\u10da\u10dd\u10d2\u10d8\u10e3\u10e0\u10d0\u10d3 \u10e1\u10e3\u10e4\u10d7\u10d0 \u10e2\u10d4\u10e5\u10dc\u10dd\u10da\u10dd\u10d2\u10d8\u10d4\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10de\u10e0\u10dd\u10ea\u10d4\u10e1\u10d4\u10d1\u10d8\u10e1 \u10d3\u10d0\u10dc\u10d4\u10e0\u10d2\u10d5\u10d8\u10d7. \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d4\u10d1\u10d8 \u10e9\u10d8\u10dc\u10d4\u10d7\u10e8\u10d8, \u10e0\u10dd\u10db\u10d4\u10da\u10d8\u10ea \u10ea\u10dc\u10dd\u10d1\u10d8\u10da\u10d8\u10d0 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d4\u10d1\u10d8\u10e1 \u10d3\u10d0 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10e1 \u10de\u10e0\u10d8\u10dc\u10ea\u10d8\u10de\u10d4\u10d1\u10d8\u10e1 \u10d3\u10d0\u10ea\u10d5\u10d8\u10d7. \u10e4\u10da\u10dd\u10d1\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10e1, \u10e0\u10dd\u10d2\u10dd\u10e0\u10d8\u10ea\u10d0\u10d0 API 5CT \u10d3\u10d0 ISO 9001, Tianjin <a href=\"\/tag\/pipe\" target=\"_blank\"><strong><strong> Pipe<\/strong><\/strong><\/a> <a href=\"\/tag\/international\" target=\"_blank\"><strong>international<\/strong><\/a> \u10ee\u10d0\u10d6\u10e1 \u10e3\u10e1\u10d5\u10d0\u10db\u10e1 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d8\u10e1 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10e1 \u10d3\u10d0 \u10d2\u10d0\u10e0\u10d4\u10db\u10dd\u10e1\u10d3\u10d0\u10ea\u10d5\u10d8\u10d7 \u10ea\u10dc\u10dd\u10d1\u10d8\u10d4\u10e0\u10d4\u10d1\u10d0\u10e1 \u10d7\u10d0\u10d5\u10d8\u10e1 \u10e1\u10d0\u10e5\u10db\u10d8\u10d0\u10dc\u10dd\u10d1\u10d0\u10e8\u10d8, \u10e0\u10d0\u10ea \u10ee\u10d4\u10da\u10e1 \u10e3\u10ec\u10e7\u10dd\u10d1\u10e1 \u10e3\u10e4\u10e0\u10dd \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10d8 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10d2\u10d0\u10d6\u10d8\u10e1 \u10e1\u10d4\u10e5\u10e2\u10dd\u10e0\u10e1.<\/p>\n<p><a href=\"\/tag\/api-5ct-l80\" target=\"_blank\"><strong>api 5ct <a href=\"\/tag\/l80\" target=\"_blank\"><strong><a href=\"\/tag\/l80-2\" target=\"_blank\"><strong>L80<\/strong><\/a><\/strong><\/a><\/strong><\/a> <a href=\"\/tag\/casing\" target=\"_blank\"><strong><a href=\"\/tag\/casing-2\" target=\"_blank\"><strong>Casing<\/strong><\/a><\/strong><\/a> \u10e9\u10d8\u10dc\u10d4\u10d7\u10d8 \u10e1\u10d0\u10e3\u10d9\u10d4\u10d7\u10d4\u10e1\u10dd \u10d4\u10e5\u10e1\u10de\u10dd\u10e0\u10e2\u10d8\u10dd\u10e0\u10d4\u10d1\u10d8\u10d3\u10d0\u10e1\u10d9\u10d5\u10dc\u10d8\u10e1 \u10e1\u10d0\u10ee\u10d8\u10d7, \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10e2\u10dd\u10de 5 \u10db\u10d8\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10d4\u10da\u10d8 \u10e9\u10d8\u10dc\u10d4\u10d7\u10e8\u10d8 \u10d2\u10d0\u10d3\u10d0\u10db\u10ec\u10e7\u10d5\u10d4\u10e2\u10d8 \u10e0\u10dd\u10da\u10d8 \u10d7\u10d0\u10db\u10d0\u10e8\u10dd\u10d1\u10d4\u10dc \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d8\u10e1 \u10da\u10d0\u10dc\u10d3\u10e8\u10d0\u10e4\u10e2\u10d8\u10e1 \u10e9\u10d0\u10db\u10dd\u10e7\u10d0\u10da\u10d8\u10d1\u10d4\u10d1\u10d0\u10e8\u10d8 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d6\u10d4 \u10d3\u10d0 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d0\u10d6\u10d4 \u10e4\u10dd\u10d9\u10e3\u10e1\u10d8\u10e0\u10d4\u10d1\u10d8\u10d7 \u10de\u10e0\u10d0\u10e5\u10e2\u10d8\u10d9\u10d4\u10d1\u10d8. \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d8\u10e1 \u10e1\u10e0\u10e3\u10da\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10d2\u10d0\u10e0\u10d4\u10db\u10dd\u10e1\u10d3\u10d0\u10ea\u10d5\u10d8\u10d7\u10d8 \u10de\u10d0\u10e1\u10e3\u10ee\u10d8\u10e1\u10db\u10d2\u10d4\u10d1\u10da\u10dd\u10d1\u10d8\u10e1 \u10db\u10d0\u10e6\u10d0\u10da\u10d8 \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d4\u10d1\u10d8\u10e1 \u10e8\u10d4\u10dc\u10d0\u10e0\u10e9\u10e3\u10dc\u10d4\u10d1\u10d8\u10d7, \u10d4\u10e1 \u10d9\u10dd\u10db\u10de\u10d0\u10dc\u10d8\u10d4\u10d1\u10d8 \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e4\u10d4\u10dc \u10d0\u10e0\u10d0 \u10db\u10ee\u10dd\u10da\u10dd\u10d3 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10d8\u10e1 \u10e1\u10d0\u10d8\u10db\u10d4\u10d3\u10dd\u10dd\u10d1\u10d0\u10e1, \u10d0\u10e0\u10d0\u10db\u10d4\u10d3 \u10ee\u10d4\u10da\u10e1 \u10e3\u10ec\u10e7\u10dd\u10d1\u10d4\u10dc \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10d2\u10d0\u10d6\u10d8\u10e1 \u10e1\u10d4\u10e5\u10e2\u10dd\u10e0\u10d8\u10e1 \u10e3\u10e4\u10e0\u10dd \u10db\u10d3\u10d2\u10e0\u10d0\u10d3 \u10db\u10dd\u10db\u10d0\u10d5\u10d0\u10da\u10e1 \u10e9\u10d8\u10dc\u10d4\u10d7\u10e8\u10d8 \u10d3\u10d0 \u10db\u10d8\u10e1 \u10e4\u10d0\u10e0\u10d2\u10da\u10d4\u10d1\u10e1 \u10d2\u10d0\u10e0\u10d4\u10d7.<\/p>\n<h1 id=\"technological-innovations-in-oil-casing-production-by-top-chinese-suppliers-wpaicgheading\"><span class=\"ez-toc-section\" id=\"%E1%83%A2%E1%83%94%E1%83%A5%E1%83%9C%E1%83%9D%E1%83%9A%E1%83%9D%E1%83%92%E1%83%98%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%98%E1%83%9C%E1%83%9D%E1%83%95%E1%83%90%E1%83%AA%E1%83%98%E1%83%94%E1%83%91%E1%83%98_%E1%83%9C%E1%83%90%E1%83%95%E1%83%97%E1%83%9D%E1%83%91%E1%83%98%E1%83%A1_%E1%83%92%E1%83%90%E1%83%A0%E1%83%A1%E1%83%90%E1%83%AA%E1%83%9B%E1%83%98%E1%83%A1_%E1%83%AC%E1%83%90%E1%83%A0%E1%83%9B%E1%83%9D%E1%83%94%E1%83%91%E1%83%90%E1%83%A8%E1%83%98_%E1%83%A1%E1%83%90%E1%83%A3%E1%83%99%E1%83%94%E1%83%97%E1%83%94%E1%83%A1%E1%83%9D_%E1%83%A9%E1%83%98%E1%83%9C%E1%83%94%E1%83%9A%E1%83%98_%E1%83%9B%E1%83%9D%E1%83%9B%E1%83%AC%E1%83%9D%E1%83%93%E1%83%94%E1%83%91%E1%83%9A%E1%83%94%E1%83%91%E1%83%98%E1%83%A1_%E1%83%9B%E1%83%98%E1%83%94%E1%83%A0\"><\/span>\u10e2\u10d4\u10e5\u10dc\u10dd\u10da\u10dd\u10d2\u10d8\u10e3\u10e0\u10d8 \u10d8\u10dc\u10dd\u10d5\u10d0\u10ea\u10d8\u10d4\u10d1\u10d8 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d0\u10e8\u10d8 \u10e1\u10d0\u10e3\u10d9\u10d4\u10d7\u10d4\u10e1\u10dd \u10e9\u10d8\u10dc\u10d4\u10da\u10d8 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10d8\u10e1 \u10db\u10d8\u10d4\u10e0<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\n\u10e9\u10d8\u10dc\u10d4\u10d7\u10d8 \u10d2\u10d0\u10e9\u10dc\u10d3\u10d0, \u10e0\u10dd\u10d2\u10dd\u10e0\u10ea \u10db\u10d7\u10d0\u10d5\u10d0\u10e0\u10d8 \u10db\u10dd\u10d7\u10d0\u10db\u10d0\u10e8\u10d4 \u10db\u10e1\u10dd\u10e4\u10da\u10d8\u10dd \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10d2\u10d0\u10d6\u10d8\u10e1 \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d0\u10e8\u10d8, \u10db\u10dc\u10d8\u10e8\u10d5\u10dc\u10d4\u10da\u10dd\u10d5\u10d0\u10dc\u10d8 \u10d0\u10e5\u10ea\u10d4\u10dc\u10e2\u10d8\u10d7 \u10db\u10d0\u10e6\u10d0\u10da\u10d8 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d0\u10d6\u10d4. \u10e5\u10d5\u10d4\u10e7\u10dc\u10d8\u10e1 \u10e2\u10dd\u10de \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10db\u10d0 \u10e2\u10d4\u10e5\u10dc\u10dd\u10da\u10dd\u10d2\u10d8\u10e3\u10e0 \u10d8\u10dc\u10dd\u10d5\u10d0\u10ea\u10d8\u10d4\u10d1\u10e8\u10d8 \u10db\u10dc\u10d8\u10e8\u10d5\u10dc\u10d4\u10da\u10dd\u10d5\u10d0\u10dc\u10d8 \u10dc\u10d0\u10d1\u10d8\u10ef\u10d4\u10d1\u10d8 \u10d2\u10d0\u10d3\u10d0\u10d3\u10d2\u10dc\u10d4\u10dc, \u10e0\u10d0\u10d7\u10d0 \u10d3\u10d0\u10d0\u10d9\u10db\u10d0\u10e7\u10dd\u10e4\u10d8\u10da\u10dd\u10dc \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d8\u10e1 \u10db\u10d9\u10d0\u10ea\u10e0\u10d8 \u10db\u10dd\u10d7\u10ee\u10dd\u10d5\u10dc\u10d4\u10d1\u10d8. \u10d4\u10e1 \u10db\u10dd\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10da\u10d4\u10d1\u10d8 \u10d0\u10e0\u10d0 \u10db\u10ee\u10dd\u10da\u10dd\u10d3 \u10d2\u10d0\u10db\u10dd\u10d8\u10e0\u10e9\u10d4\u10dd\u10d3\u10dc\u10d4\u10dc \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d0\u10e8\u10d8, \u10d0\u10e0\u10d0\u10db\u10d4\u10d3 \u10db\u10d8\u10d8\u10e6\u10d4\u10e1 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8, \u10e0\u10dd\u10db\u10da\u10d4\u10d1\u10d8\u10ea \u10ee\u10d0\u10d6\u10e1 \u10e3\u10e1\u10d5\u10d0\u10db\u10e1 \u10db\u10d0\u10d7 \u10e1\u10e0\u10e3\u10da\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10d8\u10e1\u10d0\u10d3\u10db\u10d8 \u10d4\u10e0\u10d7\u10d2\u10e3\u10da\u10d4\u10d1\u10d0\u10e1.<\/p>\n<p>\u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10d4\u10e0\u10d7-\u10d4\u10e0\u10d7\u10d8 \u10ec\u10d0\u10db\u10e7\u10d5\u10d0\u10dc\u10d8 \u10db\u10d8\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10d4\u10da\u10d8 \u10e9\u10d8\u10dc\u10d4\u10d7\u10e8\u10d8 \u10d0\u10e0\u10d8\u10e1 Tianjin Dalipu Oil Country <a href=\"\/tag\/tubular-goods\" target=\"_blank\"><strong>tubular goods<\/strong><\/a> Co. \u10eb\u10da\u10d8\u10d4\u10e0\u10d8 \u10e0\u10d4\u10de\u10e3\u10e2\u10d0\u10ea\u10d8\u10d0 \u10db\u10d8\u10e1\u10d8 \u10db\u10dd\u10ec\u10d8\u10dc\u10d0\u10d5\u10d4 \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d8\u10e1 \u10de\u10e0\u10dd\u10ea\u10d4\u10e1\u10d4\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e1\u10d0\u10d4\u10e0\u10d7\u10d0\u10e8\u10dd\u10e0\u10d8\u10e1\u10dd \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d4\u10d1\u10d8\u10e1 \u10d3\u10d0\u10ea\u10d5\u10d8\u10d7. \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8\u10d7, \u10e0\u10dd\u10d2\u10dd\u10e0\u10d8\u10ea\u10d0\u10d0 API 5CT \u10d3\u10d0 ISO 9001, Tianjin Dalipu \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e4\u10e1, \u10e0\u10dd\u10db \u10db\u10d8\u10e1\u10d8 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10d8 \u10d0\u10d9\u10db\u10d0\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10e1 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10e1\u10d0\u10d8\u10db\u10d4\u10d3\u10dd\u10dd\u10d1\u10d8\u10e1 \u10e3\u10db\u10d0\u10e6\u10da\u10d4\u10e1 \u10d3\u10dd\u10dc\u10d4\u10e1. \u10e3\u10d0\u10ee\u10da\u10d4\u10e1\u10d8 \u10e2\u10d4\u10e5\u10dc\u10dd\u10da\u10dd\u10d2\u10d8\u10d0 \u10d3\u10d0 \u10d6\u10e3\u10e1\u10e2\u10d8 \u10d8\u10dc\u10df\u10d8\u10dc\u10d4\u10e0\u10d8\u10d0, Jiangsu Changbao-\u10db \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8, \u10e0\u10dd\u10d2\u10dd\u10e0\u10d8\u10ea\u10d0\u10d0 API 5L \u10d3\u10d0 API 5CT, \u10e0\u10dd\u10db\u10d4\u10da\u10d8\u10ea \u10d0\u10e9\u10d5\u10d4\u10dc\u10d4\u10d1\u10e1 \u10db\u10d8\u10e1 \u10e8\u10d4\u10e1\u10d0\u10d1\u10d0\u10db\u10d8\u10e1\u10dd\u10d1\u10d0\u10e1 \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d8\u10e1 \u10e0\u10d4\u10d2\u10e3\u10da\u10d0\u10ea\u10d8\u10d4\u10d1\u10d7\u10d0\u10dc \u10d3\u10d0 \u10e1\u10e2\u10d0\u10dc\u10d3\u10d0\u10e0\u10e2\u10d4\u10d1\u10d7\u10d0\u10dc. \u10d9\u10dd\u10db\u10de\u10d0\u10dc\u10d8\u10d8\u10e1 \u10e4\u10dd\u10d9\u10e3\u10e1\u10d8\u10e0\u10d4\u10d1\u10d0 \u10d8\u10dc\u10dd\u10d5\u10d0\u10ea\u10d8\u10d4\u10d1\u10e1\u10d0 \u10d3\u10d0 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10d9\u10dd\u10dc\u10e2\u10e0\u10dd\u10da\u10d6\u10d4 \u10d2\u10d0\u10dc\u10d0\u10de\u10d8\u10e0\u10dd\u10d1\u10d4\u10d1\u10e1 \u10db\u10d0\u10e1, \u10e0\u10dd\u10d2\u10dd\u10e0\u10ea \u10e0\u10e9\u10d4\u10e3\u10da \u10db\u10d8\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10d4\u10da\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10d2\u10d0\u10d3\u10d0\u10ec\u10e7\u10d5\u10d4\u10e2\u10d8\u10da\u10d4\u10d1\u10d4\u10d1\u10d8\u10e1 \u10db\u10d8\u10e1\u10d0\u10e6\u10d4\u10d1\u10d0\u10d3. \u10d7\u10d0\u10dc\u10d0\u10db\u10d4\u10d3\u10e0\u10dd\u10d5\u10d4 \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d8\u10e1 \u10dd\u10d1\u10d8\u10d4\u10e5\u10e2\u10d4\u10d1\u10d8 \u10d3\u10d0 \u10db\u10d9\u10d0\u10ea\u10e0\u10d8 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1 \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e4\u10d8\u10e1 \u10de\u10e0\u10dd\u10ea\u10d4\u10e1\u10d4\u10d1\u10d8. \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8\u10d7, \u10db\u10d0\u10d7 \u10e8\u10dd\u10e0\u10d8\u10e1 API 5CT \u10d3\u10d0 ISO 9001, Shandong Shengli \u10d8\u10ea\u10d0\u10d5\u10e1 \u10d5\u10d0\u10da\u10d3\u10d4\u10d1\u10e3\u10da\u10d4\u10d1\u10d0\u10e1 \u10db\u10d8\u10d0\u10ec\u10dd\u10d3\u10dd\u10e1 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10d8, \u10e0\u10dd\u10db\u10da\u10d4\u10d1\u10d8\u10ea \u10d0\u10d9\u10db\u10d0\u10e7\u10dd\u10e4\u10d8\u10da\u10d4\u10d1\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10d2\u10d0\u10d6\u10d8\u10e1 \u10e1\u10d4\u10e5\u10e2\u10dd\u10e0\u10d8\u10e1 \u10db\u10dd\u10d7\u10ee\u10dd\u10d5\u10dc\u10d4\u10d1\u10e1. \u10d9\u10dd\u10db\u10de\u10d0\u10dc\u10d8\u10d8\u10e1 \u10d0\u10e5\u10ea\u10d4\u10dc\u10e2\u10d8 \u10e2\u10d4\u10e5\u10dc\u10dd\u10da\u10dd\u10d2\u10d8\u10e3\u10e0 \u10ec\u10d8\u10dc\u10e1\u10d5\u10da\u10d0\u10d6\u10d4 \u10db\u10d8\u10e1\u10ea\u10d0 \u10db\u10d0\u10e1 \u10e1\u10d0\u10e8\u10e3\u10d0\u10da\u10d4\u10d1\u10d0 \u10d3\u10d0\u10e0\u10e9\u10d4\u10e1 \u10d8\u10dc\u10d3\u10e3\u10e1\u10e2\u10e0\u10d8\u10d8\u10e1 \u10ec\u10d8\u10dc\u10d0 \u10de\u10da\u10d0\u10dc\u10d6\u10d4.<\/p>\n<p>Hunan <a href=\"\/tag\/standard\" target=\"_blank\"><strong>standard<\/strong><\/a> Steel Co., Ltd. \u10d0\u10e0\u10d8\u10e1 \u10d9\u10d8\u10d3\u10d4\u10d5 \u10d4\u10e0\u10d7\u10d8 \u10db\u10d7\u10d0\u10d5\u10d0\u10e0\u10d8 \u10db\u10dd\u10d7\u10d0\u10db\u10d0\u10e8\u10d4 \u10e9\u10d8\u10dc\u10d4\u10d7\u10d8\u10e1 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10d1\u10d0\u10d6\u10d0\u10e0\u10d6\u10d4, \u10e0\u10dd\u10db\u10d4\u10da\u10d8\u10ea \u10d2\u10d0\u10db\u10dd\u10d8\u10e0\u10e9\u10d4\u10d5\u10d0 \u10d8\u10dc\u10dd\u10d5\u10d0\u10ea\u10d8\u10d8\u10d7\u10d0 \u10d3\u10d0 \u10db\u10d3\u10d2\u10e0\u10d0\u10d3\u10dd\u10d1\u10d8\u10d7. \u10e4\u10da\u10dd\u10d1\u10e1 \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10e1, \u10e0\u10dd\u10d2\u10dd\u10e0\u10d8\u10ea\u10d0\u10d0 API 5CT \u10d3\u10d0 API 5L, \u10d9\u10dd\u10db\u10de\u10d0\u10dc\u10d8\u10d0 \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e4\u10e1, \u10e0\u10dd\u10db \u10db\u10d8\u10e1\u10db\u10d0 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10db\u10d0 \u10d2\u10d0\u10d8\u10d0\u10e0\u10dd\u10e1 \u10e1\u10d0\u10e4\u10e3\u10eb\u10d5\u10da\u10d8\u10d0\u10dc\u10d8 \u10e2\u10d4\u10e1\u10e2\u10d8\u10e0\u10d4\u10d1\u10d0 \u10d3\u10d0 \u10e8\u10d4\u10db\u10dd\u10ec\u10db\u10d4\u10d1\u10d0, \u10e0\u10d0\u10d7\u10d0 \u10e3\u10d6\u10e0\u10e3\u10dc\u10d5\u10d4\u10da\u10e7\u10dd\u10e1 \u10dd\u10de\u10e2\u10d8\u10db\u10d0\u10da\u10e3\u10e0\u10d8 \u10e8\u10d4\u10e1\u10e0\u10e3\u10da\u10d4\u10d1\u10d0 \u10e0\u10d7\u10e3\u10da \u10d2\u10d0\u10e0\u10d4\u10db\u10dd\u10e8\u10d8. \u10ec\u10d0\u10e0\u10db\u10dd\u10d4\u10d1\u10d8\u10e1 \u10de\u10e0\u10dd\u10ea\u10d4\u10e1\u10d4\u10d1\u10e8\u10d8 \u10db\u10dd\u10ec\u10d8\u10dc\u10d0\u10d5\u10d4 \u10e2\u10d4\u10e5\u10dc\u10dd\u10da\u10dd\u10d2\u10d8\u10d4\u10d1\u10d8\u10e1 \u10d8\u10dc\u10e2\u10d4\u10d2\u10e0\u10d8\u10e0\u10d4\u10d1\u10d8\u10d7, Hunan Standard Steel \u10d0\u10d2\u10e0\u10eb\u10d4\u10da\u10d4\u10d1\u10e1 \u10ee\u10d0\u10e0\u10d8\u10e1\u10ee\u10d8\u10e1\u10d0 \u10d3\u10d0 \u10d4\u10e4\u10d4\u10e5\u10e2\u10e3\u10e0\u10dd\u10d1\u10d8\u10e1 \u10d0\u10ee\u10d0\u10da\u10d8 \u10d9\u10e0\u10d8\u10e2\u10d4\u10e0\u10d8\u10e3\u10db\u10d4\u10d1\u10d8\u10e1 \u10d3\u10d0\u10d3\u10d2\u10d4\u10dc\u10d0\u10e1.<\/p>\n<p>\u10e2\u10dd\u10de \u10db\u10d8\u10db\u10ec\u10dd\u10d3\u10d4\u10d1\u10d4\u10da\u10d7\u10d0 \u10e1\u10d8\u10d8\u10e1 \u10d3\u10d0\u10db\u10e0\u10d2\u10d5\u10d0\u10da\u10d4\u10d1\u10d0\u10d0 Tianjin Anson International Co., Ltd., \u10d9\u10dd\u10db\u10de\u10d0\u10dc\u10d8\u10d0, \u10e0\u10dd\u10db\u10d4\u10da\u10d8\u10ea \u10ea\u10dc\u10dd\u10d1\u10d8\u10da\u10d8\u10d0 \u10dc\u10d0\u10d5\u10d7\u10dd\u10d1\u10d8\u10e1 \u10e7\u10dd\u10d5\u10da\u10d8\u10e1\u10db\u10dd\u10db\u10ea\u10d5\u10d4\u10da\u10d8 \u10d0\u10e1\u10dd\u10e0\u10e2\u10d8\u10db\u10d4\u10dc\u10e2\u10d8\u10d7. \u10d2\u10d0\u10e0\u10e1\u10d0\u10ea\u10db\u10d8\u10e1 \u10de\u10e0\u10dd\u10d3\u10e3\u10e5\u10e2\u10d4\u10d1\u10d8 \u10d3\u10d0 \u10ee\u10e1\u10dc\u10d0\u10e0\u10d4\u10d1\u10d8. \u10e1\u10d4\u10e0\u10d7\u10d8\u10e4\u10d8\u10d9\u10d0\u10e2\u10d4\u10d1\u10d8\u10d7, \u10e0\u10dd\u10d2\u10dd\u10e0\u10d8\u10ea\u10d0\u10d0 API 5CT \u10d3\u10d0 ISO 9001, Tianjin 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