Founded in 1995,Tianjin Zhongshun Petroleum Steel Pipe Co., Ltd.(TIANJIN WELTECH HI-TECH ANTI-CORROSION PIPE CO., LTD) is a professional manufacturer for mainly manufacturing petroleum steel pipes, Tianjin Zhongshun Petroleum Steel Pipe Co., Ltd. is located in the steel Pipe Base, Daqiuzhuang Town which is well-known all over the world, very close to highway 205,70 kilometers far away from Xingang Seaport,50 kilometers from Tianjin Airport and it is very convenient in land carriage, carriage by sea and carriage by air .The company covers an area of 300,000 square meters, has invested USD37million in total and employed 450 workers and staff. The company can manufacture 600,000 tons of welded steel pipes. The company now has 3 longitudinally H.F. welded pipe mills, 6 spirally double-side submerged arc welded pipe mills, 2 anti-corrosion pipe mills, which can produce longitudinally welded steel pipes with diameter range from 21.3 to 457.2mm and wall thickness range from 1.0 to 14.27mm, spirally double-sided submerged arc welded steel pipe with diameter range from 219mm to 3040mm and wall thickness range from 5.0 to 30mm，and also can do all kinds of anti-corrosion pipes, such as: FBE, 2PE, 3PE, 2PP, 3PP, epoxy coal asphalt, inside and outside solvent free epoxy lining, cement mortar lining, etc. The company can produce various sizes of longitudinally and spirally welded steel pipes according to the following standards such as API,ASTM,EN,JIS,BS, etc. Steel Grade: GR.A, GR.B, X42-X100, H40, J55, S195T, S355J2H, ST33, ST42, STK400, STK500, Q215, Q235, Q345, etc. The company pays great attention to product quality and it has a complete set of updated devices for testing and inspection. The company has a strictly specified quality assurance system and has got the Certificate for ISO9001-2000 for International Quality Management System, API 5L Certificate and API 5CT Certificate granted by American Petroleum Institute to use the API Monogram on the
