KOSEN is a Leaing China Valve Manufacturer of ball valves, gate valves, globe valves, check valves, butterfly valves, plug valves, and pipe strainers (various types: trunnion?mounted, fully?welded, cryogenic, high?pressure, floating, multi?way, metal?seat, etc.) ,integrating research and development, testing, manufacturing, sales, and after?sales service under one roof. KOSEN designs and manufactures valves according to a variety of international standards and norms: Chinese, American, Russian, German, British, Japanese, among others, We also hold certifications including ISO?9001 and CE, and they supply valves for high?pressure / high?temperature power?station applications as well as general industrial valves. Kosen Valve Manufacturer Co., Ltd is equipped with advanced facilities and instruments — CNC lathes, boring machines, grinding machines, drilling and milling machines, planning machines; as well as a quality?testing center including chemical analysis, metallographic analysis, non?destructive testing (e.g. X?ray, ultrasound, magnetic particle), pressure testing benches, and CAD design center. More information, contact us: https://www.kosenvalve.com