... TIG/MMA welding machine. 2:Inverter Technique ARC/TIG welder. 3:Suitable for TIG Argon welding and MMA arc welding, Inverter MMA/TIG Welding ... weighted,high efficiency,safety,portable.*Suitable for TIG Argon welding and MMA arc welding,easy to operate. ModelMain Voltage( ... weighted,high efficiency,safety,portable.*Suitable for TIG Argon welding and MMA arc welding,easy to operate. ModelMain Voltage( ...