... , earth clamp, etc.SPEC. of DC inverter TIG/MMA welder TIG welding machine 200amp, WS200A power supply voltage:220V+/-10%, 50Hz power ... produce AC DC TIG MMA WELDING MACHINE, AC DC PULSE TIG/MMA WELDING MACHINE, DC ARC WELDING MACHINE, DC TIG/MMA/CUT 3 IN ... 1 WELDING MACHINE, AC DC PULSE TIG/MMA ...