... or industrial use. 3.AC/DC, TIG/MMA, Pulse IGBT DC/AC TIG welder/Welding Machine(CE approval, TIG200ADC)1 ... -voltage protection, over-current protection, under-voltage protection;5. DC welder suitable for stainless steel, alloy steel, carbon steel, copper ... ,nondeformable.TIG200ADC:welding machine/high frequency welder/electric welding machine IGBT DC/AC inverter TIG/MMA (GTAW)Welding Machine(CE ...