... MMA welding equipment: wide use, easy to initiate arc, wide adjustable output current range, self-protection set. DC Inverter MMA welding ... 300×430Main Features1) Wide adaptability and can be applicable to welding carbon steel, stainless steel, alloy steel and cast iron ... arc initiating and arc ending, which guarantee the best welding quality.5) Its dependable protection against the Imperfect Phase, ...