HDPE Pipe Welding Machine, Manual Butt Fusion Welding Machine, Drainage Machine manufacturer / supplier in China, offering Sale 630mm Hot Melting HDPE Pipe Equipment Butt Fusion Workshop Welding Machine, Hot Melting Air Cooling Tube Machinery Workshop Welding Machine 630mm, Semi-Automatic 160mm Huajin PE Pipe Welding Machine with New Technology and so on.
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