ZX7-400 IGBT inverter MMA welding machine Portable and light Easy arc ignition Adopt MOSFET Inverter technology ... .Using MOSFET Inverter technology,high frequency with low consumption.Welding machine.2.Easy to get arc and good anti-jamming capability ... plate.4.Suitable for acid and basic welding rods.welding machine.5.Applicable to the Industries Decorating,Furniture,Vehicle,Hardware,Etc ...