JIANGSU HUAWEI STEEL CO. , LTD - A leading carbon steel & alloy steel pipes, Etc supplier in China. With more than ten years experience in supplying our customers with good quality and price. We produce the tubes and pipes according to GB, ASTM/ ASME, API, JIS, BS, EN and DIN specifications. These pipes and tubes provide better flow of industrial substances and widely used in various industries like Chemical, Petrochemical, Oil & Gas, Power Plant and Mining. Available in various grades and dimension, Our range meet the demand of our clients, The Outside Diameter is from 13. 7mm to 609. 6mm (17. 1 – 609. 6) and Wall Thickness is from 1mm to 36mm. The annual output is more than 100, 000tons. We passed the ISO9001 Quality Assurance System. We are looking forward to working with you.