Portable Spot Welding Machine, Automatic Welding Machine, Seam Welding Machine manufacturer / supplier in China, offering Resistance 20000j Dual Heads Capacitance Nut Welder Capacitor Discharge Capacitive Spot Welding Machine, 20000j Capacitor Energy Storage Capacitive Discharge Nut Spot Welding Machine with Two Vibratory Bowl Feeder, Projection Multi Point Resistance Welders Two Heads Energy Storage Capacitor Discharge Welder Spot Welding and so on.