... the ISO9001 strictly.Company info. Cangzhou Guyuan Steel Pipe Co., LTD is located in cangzhou hebei China, was founded in 1991 ... . The former name was Hebei Xinxing Steel Pipe Manufacture Co., LTD, online trading began in 1997. Currently our company is a ... same time, the products are exported to Europe, America, Middle East, Africa and southeast Asia, and other countries and regions. Forged ...