We are the gold supplier of alibaba. Our company CangZhouTianYi Co.Ltd located in the Yanshan County,Cangzhou City,Hebei Province,China,which is the base of steel pipe ,our company occupies an area of 80,000 sq.m. The total capital and investment is RMB 90million and RMB 150million.Totally workers 360 are here,include 80 technical staff, with intergrity,effective quality management and quality assurence systems,in February 2001,the company passed the ISO9001.Thus ,the production of goods can be guaranteed to comply with standard. and satisfying to customers’ requirement. We are a specialized manufacturer of steel pipe: such as ASTM A106B,ASTM A53B seamless steel pipe ,API seamless pipe、API spiral pipe 、JIS G3454 STPG370/410、JIS G3444 STK400、JIS G3452 SGP seamless steel pipe,ho..