Butterfly Valve, Gate Valve, Check Valve manufacturer / supplier in China, offering Ductile Iron Ggg50 Pn10/16 Coupling Dismantling Joint Carbon Steel Ductile Iron Pipe Fitting Flange Adaptor China Factory Pipe Universal DN50-1200 Coupling, Ductile Iron Disc, Body, Resilient Sealing Wafer Handwheel Operation China Factory Ss420 Stem Butterfly Valve, China Factory Pn16 Cast Ductile Iron Ggg50 Blue Flanged Type Water DN200 Y Strainer and so on.