Henan Bundor Flow Control Co., Ltd: 23 Years Valve Manufacturers.Passed ISO,CE,TS,BV,SGS,CTUR Certificates. Qualified supplier of ,China National Petroleum Corporation, SINOPEC Group, UGG leather factory etc. Main Products: Butterfly Valve：CI/DI/CS/SS Resilieant Gate Valve：CI/DI Dual Plate Wafer Check Valve: CI/DI/SS Y strainer：CI/DI, SS thread ball vavle:1/2/3 pc ball valve,SS304/316 Flange ball valve:JIS5K/10K, CI Rubber joint，Knife gate valve. Use"Bundor" Brand,Two Years Warranty,Pay Two Back If one Bad! Would you like to get some samples for testing? Pls contact: suri@bundorvalve.com skype:gmrcgmrc wechat:86-158 385 47436