Cangzhou Haoyuan Pipe Fitting MFG Co., Ltd. founded on 2009, on the basis of Shanghai Xingu pipe Fittings Co., Ltd and Hebei Sanlin Pipe Industry Co., Ltd. Factory has 100000 square meters production workshop, production and sales of all kinds of high and low pressure flange, elbow, tee, cross, reducer, bend, pipe cap, seamless steel pipe, ERW pipes according to production standard ASME, DIN,JIS,EN,BS,GB,GOST,etc. Annual production capacity of 500,000 tons.Company recently added three new production line, including steel pipe line, four spiral steel pipe lines, a hot-rolling seamless pipe line. Main production include ERW straight seam welded steel pipe,double wire double-sided submerged arc welding spiral steel pipe, hot-rolling seamless pipe. Annual production capacity of steel pipes is 50 million tons.We also agent and sell verious kinds of China's good quality steel pipe products.