Founded in 1995, Tianjin Zhongshun Petroleum Steel Pipe Co.,Ltd.is a professional manufacturer of steel pipes,Tianjin Zhongshun Petroleum Steel Pipe Co.,Ltd. is located in the south of the outskirt of Tianjin, very close to Highway 205, 70kilometers 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 USD 37 million in total and employed 450 workers and staffs. The annual production capacity is 600,000 tons of welded steel pipes. The company now has 3 longitudinally H.F. welded pipe mills and 6 spirally double-sided submerged arc welded pipe mills, which can produce longitudinally welded pipes with diameter range from 21.3 mm to 609.6 and wall thickness range from 2.1mm to 20 mm, and spirally double-side submerged arc welded pipe with diameter range from 219.1mm to 3048mm and wall thickness range form 5.0mm to 30mm. The company can produce various sizes of longitudinally and spirally welded pipes according to the following standards such as API, ASTM, CE,JIS, BS, DIN and GB, 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 and API 5L Certificate and API 5CT Certificate granted by American Petroleum Institute to use the API Monogram on the longitudinally welded pipes and spirally submerged arc welded pipes. The company not only has confirmed a "Famous Brand" image in its high quality in the domestic market, but also the products have been exported to more than 10 countries and regions, such as the U.S.A., Canada, Australia, Iran, the United Arab Emirates, Malaysia, Thailand, Korea, Singapore, Bangladesh, Hong Kong, etc.