Hebei Central Plumbing Industries Co., Ltd. (CPI) located in the hinterland around the Beijing , Tianjin and Bohai economic center. It is a professional manufacturer and exporter of building materials and pipe series products in China. The CPI headquarters located in Shijiazhuang city, Hebei Province, with registered capital of 5 million RMB, and the factories cover an area of 200,000 square meters, more than 500 staffs. CPI has passed the authentication of ISO9001: 2008 quality management system, API certification, CE certification and ΓOST certification.