Established in 2004, Shanghai Sunzone Steel Pipe Co., Ltd is located in the State Level Industrial Park of Shanghai Jinshan Nonferrous High-Tech Industrial Park. In their 20, 000 square meter workshop, Shanghai Sunzone specializes in the manufacture of seamless stainless steel tubes and pipes with annual production capacity of more than 12, 000 MT, SINOPEC, CNPC and CNOOC have confirmed Shanghai Sunzone as their regular supplier. Shanghai Sunzone has both consummate seamless stainless steel tube production facilities and complete inspection facilities. Shanghai Sunzone also has technical centers for chemical analysis, mechanical tests, metallographic tests, hydraulic tests, ultra-sonic tests, eddy-current tests, PMI and hardness tests, to ensure product quality. Shanghai Sunzone can produce stainless steel pipes, including austenitic and duplex steels. according to the standards of GB, ASTM/ASME, DIN, EN 10216-5 and JIS. Their seamless stainless steel pipes and tubes have outer diameters ranging from 10mm to 530mm, thickness from 0.7 to 35mm, and maximum lengths of 16m. Shanghai Sunzone has obtained BVQI ISO9001 quality system certification, LR ISO9001 quality system certification, LR PED certification, a National Industrial Production License and a National Special Type Facility Manufacture License. Their products are sold in Europe, America, Korea, Australia, Southeast Asia and the Middle East with a reputation of high technology, perfect management, quality products and fine service. Shanghai Sunzone holds the guideline of Company-Wide Involvement, Practice Quality Assurance, Pursuing Excellence, Customer Satisfaction, Permanent Improvement.with the management conception of Quality, Credit, Reputation and Brand. Customers at home and abroad are welcome to pay a visit and contact Shanghai Sunzone by email and fax.