... -Pipe Co., Ltd., is located on the Industrial Zone, Yanshan County, Hebei Province. It is ... only 200 km away from Xingang, Tianjin, China. Our company covers an area of 80, 000 ... 360 staff members including 80 technicians in our company. We also establish an effective complete quality ... control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification ...