Butt Fusion Welding Machine, Butt Welding Machine, HDPE Pipe Welding Machine manufacturer / supplier in China, offering Fusing X DN110 Electrofusion Equal Tee HDPE Pipe Fitting SDR11, Fusing X Reducing Tee HDPE Electrofusion Pipe Reducer, Fusing X HDPE Electrofusion Welding Fiiting 90 Degree PE Fitting OEM and so on.