Shanghai Autotight Valve & Fitting Co.,ltd ,is a professional and diversified valve manufacturer, specializing in ball valve, gate valve, globe valve, butterfly valve, pipe fitting, sanitary valve etc. Available in a wide range of sizes and materials, these valves are specifically designed for Chemical Industry, Stainless Industry, Medicines, Food, Science and Technology, environment-protection Industry. We provide: 1.Valve:ball valve,gate valve,globe valve,check valve,butterfly valve,knife gate valve,foot valve,sanitary valve,brass valve,steam trap,strainer,etc. 2.Pipe fitting: thread fitting,welded fitting,high pressure fitting,sanitary fitting,quick joint,flange,xxxxx More details please browse our web site We have got the certificate of ISO9001-2000, CE and API6D.