... 5.ISO9001,UKAS,CCC,CE NBC series of IGBT inverter CO2/MAG welding machineFeatures:1. ... broken problem.2.Set soft or hard of arc freely by waveform control knob, achieve ... position welding.5.High power factor, low need of electricity, small size and weight, easy to ... of CO2 welding, manual welding, carbon arc air gouging.7.This machine is suitable for terrible environment and field work.Main Technical ...