Cangzhou Qiancheng Steel-Pipe Co., Ltd., is located on the Industrial Zone, Yanshan County, Hebei Province. It is one of the largest enterprises that specialize in producing and selling steel pipes and pipe fittings in North China. Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 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, and it started to run in accordance with API 5L and API 5CT in 2004