Founded in 2001, Shanghai Zengxin Machine Electron Technology Co., Ltd is a manufacturer of high quality industrial valve test machines and the machines are sold to different countries around the world. Dedicated to research, development and production of valve test benches and valve lapping machines, Zengxin products can test almost very kind of valves including gate valve, globe valve, check valve, butterfly valve, ball valve, plug valve, etc.

With firm faith to manufacture the perfect valve test machines, Zengxin is keeping to improve the technology and service, and has become an expert and leader in the field of valve test machines in only 15 years. Now Zengxin has rapidly grown to be one of the largest manufacturer of valve testing equipment in China.