PE Fitting, Electrofusion Coupling, PE Ball Valve manufacturer / supplier in China, offering New Material HDPE Pipe Fittings Buttfusion Welding Equal/Reducing Tee Dr11 SDR17, New Material HDPE Pipe Fittings Buttfusion Stub End Flange Adaptor SDR11 SDR17, New Material HDPE Pipe Fittings 90 Degree Electrofusion Elbow SDR11 SDR17 and so on.