Zhengzhou Zheng butterfly doors Co. Ltd.

Zhengzhou Butterfly Valve Factory, Zhengzhou Zheng butterfly doors Co., Ltd. is a development and production, the low-pressure valves and specialty valves professional manufacturers, the high-tech enterprise in Henan Province. China Water Association, valves Association, Association of Henan Province, the quality of plant patent model enterprises in Zhengzhou City. Our factory has passed ISO9001 international quality system certification, DNV Det Norske Veritas Certification, API American Petroleum Institute and the European CE certification. I plant the production of''Butterfly''Mr licensing a number of national patent products, and China Water Association and the China Petrochemical Corporation as the recommended products.