Zhejiang Chengyi valve Co., Ltd. Located in Oubei town, Yongjia county, a nationally renowned "Hometown of China Pump Valves" at the riverside of Oujiang, our company, Zhejiang Chengyi Valves Co., Ltd., Zhejiang, is a specialized enterprise integrating design, development and production of a broad variety of valves. We have accumulated more than 20 years&＃039; experience in valve making. While initiating all-round CAD in production, we strictly implements the standard of API6D, API 607, CE, ISO9001 quality system in our production and management. Meanwhile, we actively introduce advanced technology from home and abroad, and keep on innovation ceaselessly. Till the date, our products have been widely used in industrial pipeline matched for petroleum, chemical industry, metallurgy, electric power, military industry and projects.