... to move 5.ISO9001,UKAS,CCC,CE NBC series of IGBT inverter CO2/MAG welding machineFeatures:1.Advanced ... after welding, high success rate of striking arc.4.Large adjustable range of welding parameters,easy to operate, ... position welding.5.High power factor, low need of electricity, small size and weight, easy to move ... 500 and NBC 630 also have the functions of CO2 welding, manual welding, carbon arc air ...