Geomembrane manufacturer / supplier in China, offering 800W 1100W Welding Machine LLDPE HDPE Dam Liner Geomembrane 0.2-1.5mm Welder Portable, Lst610e 230V 3400W Handheld Extrusion Welder Gun Used for Welding Geomembrane Liner, 1800W Portable Green Welding Machine Welder HDPE LLDPE PVC Liner 1.0-3.0mm and so on.