carbon steel pipe,ERW pipe,seamless steel pipe,spiral steel pipe

Hebei Gongyuan Pipe Manufacture Co., Ltd., located in the industrial zone, Yanshan County, Cangzhou, Hebei province, specializing in producing and marking steel pipe and pipe fittings.
We establish an effective complete quality control and assurance system. In 2008,our company obtained the certificate of ISO 9001 Quality System Authentification
We are equipped with sophisticated manufacturing and testing equipments, and a complete testing system has established, which includes advanced testing...[Click for details]