Butt Fusion Welding Machine, HDPE Pipe Welding Machine, HDPE Butt Welding Machine manufacturer / supplier in China, offering 630-1200mm Butt Fusion Welding Machine/Butt Welder/Hydraulic Butt Welding Machine/Plastic Pipe Welding Machine/HDPE Pipe Welder, Stub Flange HDPE Stub End Flange HDPE 50-1200mm in SDR11 & SDR17, Sdf800 Workshop Jointing Machine for Elbow&Tee Fitting/ HDPE Pipe Jointing Machine and so on.