After several years of research and development, GB has formed 12 series and more than 1600 specifications of gate valves, globe valves, check valves, ball valves, filter valves, bottom valves (0.25Mpa/1.0Mpa) balance valves, disc valves and so on.

Chengxin Valve Co.,Ltd. located in the industrial estate of Weijiazhuang Town,Longyao County,Hebei province,is a successful company specilizing in manufacturing and selling cast-iron valves and castings.

The company has passed the ISO 9001:2008, 14001:2004 quality, environmental management system certification, and obtained the "People's Republic of China Special Equipment Manufacturing License," the Chinese General Machinery and Valve Association member