Butterfly Valve, Gate Valve, Check Valve manufacturer / supplier in China, offering DN50 -- DN1400 Rising Stem Metal Seated Gate Valve, China Factory Y-Strainer DN100 Pn10 Y-Strainer Ductile Cast Iron Ggg50 Stainless Steel Y Strainer SS304 Screen Strainer Filter Cast Iron Y Strainer, BS5163 Cast Ductile Iron Ggg50 Flange Metal Seat Non-Rising Stem Handwheel Operated Water Gate Valve and so on.