... move 5.ISO9001,UKAS,CCC,CE NBC series of IGBT inverter CO2/MAG welding machineFeatures:1.Advanced soft switch inverter technique can solve the IGBT ... overhead position welding.5.High power factor, low need of electricity, small size and weight, easy to move.6.NBC 500 ... types for customer’s selection.NBC 500 and NBC 630 also have the functions of CO2 welding, manual welding, carbon arc air gouging.7 ...