... functions 2.CCC certification 3.One year warranty CO2 mig welding machine NBC-315(C/R)1.Multiple functions2.CCC ... certification3.One year warranty Applications Industrial-grade welding machine,a unique anti-jamming,protection technology,in the ... MIG/MAG welding,simple struture,high reliability,CO2,CO2+Ar,Ar gas shielded weldig machine.Can be long welding,spot-welding,flat-welding,vertical welding ...