Hebei Gongyuan Pipe Manufacture Co., Ltd. is located in the industrial zone, Yanshan County, Cangzhou, Hebei, specializing in producing carbon steel pipe.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 equipments such as X-ray detector, ultrasonic wave detector, hydrostatic tester, tension tester and metallurgical analyzer . Such equipments and technologies guarantee that the production and testing processes are up to relevant standard,the products are satisfied by the clients doubtlessly.Our main products are seamless steel pipe, high-frequency electric-welded steel pipe (ERW), spiral steel pipe.