Butterfly Valve, Flange Adaptor, Dismantling Joint manufacturer / supplier in China, offering Ductile Iron Y Type Strainer Double Flange Water ASME, Cast Iron Flanged Pn10 Y Type Water Meter Strainer, Ductile Iron Ggg40/Ggg50 Y Type Strainer Double Flange Water DIN/JIS/ASME/ASTM/GB and so on.