CO2 MIG MACHINE MIG250L Suit for welding thick plate which thickness is above 0.8mm Low-cost,high efficiency and welding quality Simply operation,economic and practical High welding speed,easy arc-starting Be able to weld continuously and interruptedly Stable current,be able to balance voltage when voltage of power supply is waving Be able to weld mild steel,alloy steel etc., also all kinds of wires Little splash,deep bath,beautiful welding seam