Zhejiang number one valve co.,ltdis located in praising zhejiang Province wenzhou city oubei town, in-plant close to neighbour ou jiang san qiao called “town of china valve & pump”. The co has its excellent full fledged manufacturing facility with special processing equipment and modernized inspection devices.The quality of our products are stable and credible to pass the ISO 9001:2000、API monogram CE international qualified certificates. Since establishment, the company has implemented continious improvement plans of graded/added new products by science and technology to develop the quality products conformig to the standards of ISO、API、ANSI、BS、DIN、JIS、our main products are high temperature and high pressure gate valve、globe valve、check valve、ball valve with nominal diameter of 1/2”-56”（DN15-DN1400）, pressure rating of 150LB-2500LB （1.0Mpa-42.0MPa）, and operating temperature of –196℃~800℃.The main materials are WCB、WC6、WC9、C5、C12、LCB、LCC、CF8、CF8M、CF3、CF3M、CF8C etc. We can also smelt and produce according to the clients special material requirements.