Shanghai Autotight Valve & Fitting Co.,ltd 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,pipe etc. More details please browse our web site . We have got the certificate of ISO9001-2000, CE and API6D. Please feel free to contact me if you need any more information. Best Regards Kitten Mao(Ms.) Shanghai Autotight Valve & Fitting Co.,ltd