Huzhou Gaolin Stainless Steel Tubes Co., Ltd, as a manufacturer of stainless steel seamless pipes and tubes, has been providing piping and tubing solutions for our numerous clients in various industries for many years. We manufacture for heat exchanger industry, chemical plants, oil and gas industry, shipbuilding industry etc. We are Sinopec (China Petroleum and Chemical Corporation) certified qualified suppliers of stainless steel seamless pipes.Why Choose Us1. High-quality raw materials, our bars are mostly produced by Yongxing Stainless Steel Co., Ltd(Former Jiuli Special Steel Co., Ltd)2. Stricter quality control management, our mill has been certified by DNV, TUV, LLYOD, PED, ASME, ISO.3. Decade rich experience in production.Our ProductHere list what we regularly supply (with production range O.D 6mm--355.6mm, W.T 0.5--20mm):1. Stainless steel seamless pipes & tubes for General purpose, Boiler and Pressure vessel, Heat exchanger, Condenser, and Shipbuilding.Specification: ASTM A312/SA312, A213/SA213, A269, A511, EN-10216-5, DIN 17456, DIN 17458, JIS G3446, JIS G3459, JIS G3463, ASTM B667Steel Grade: TP304/304L, TP310S, 316/316L/316Ti, TP317L, TP321, TP347/TP347H, TP904L2. Duplex Stainless Steel TubeSpecification: ASTM /ASME A789/SA789 A790/SA790Steel Grade: UNS S32750 S31803 S32205 S32304Our quality system and ApprovalsWith quality of advanced production equipment, strictest inspection control, complete QA/QC management, Our Quality Management System has been certified to ISO 9001 by Lloyd.Pipes & tubes can subject to third party inspection with Certificate EN10204/3.1 & 3.2. The third inspection includes DNV, SGS, Lloyd, TUV, and BV.