Butt Fusion Welding Machine, HDPE Pipe Welding Machine, HDPE Butt Welding Machine manufacturer / supplier in China, offering Sud630h HDPE Pipe Welder/ 315-630mm HDPE Plastic Pipe Welding Machine, 90-315mm HDPE Plastic Pipe Welding Machine/ Sud315h Hydraulic Welding Machine/ 90-315mm PE/HDPE Pipe Jointer, Sdf90-315mm Workshop Fitting Welding Machine/ Multi-Angle Welding Machine and so on.