China Троиники Companies List

Cangzhou Qiancheng Steel-Pipe Co. , Ltd. , seated in the Industrial Zone, Yanshan County, Hebei Province, one of the large-scaleenterprises in North China specializing in producing and marking steel pipe and pipe fittings. It is of convenient transportation as it isonly 200 km away from Xingang, Tianjin, China. 　 In 2003, our companyobtained the certificate of ISO9001 Quality System Authentification, and it started to control the quality in accordance withAPI 5L and API 5CT in 2004. 　　 Our pro