Zhengguang Valve Group, established in 1993, is a professional manufacturer specializing in producing all kinds valves. Our mandate is to provide excellent valves with supreme quality and utmost cost effectiveness for total customer satisfaction. Zhengguang Valves is the leading manufacturer of industrial valves in China. The core products are butterfly valves, gate valves, power station valves, check valves, ball valves, globe valves, safety valves, pneumatic ball valves and so on. Most of our products are exported to American and European countries. Zhengguang has high reputation to supply suctomers commodity valves in high quality. Full certifications such as ISO 9001: 2000, CE, API 6D, OH SMS 28001 etc. And much more for your easy supply chain management!