... economical, durable and reliable.2.Stable electric arc, easy-controlled molten bath, artistic welded joint forming, automatic protection on ... than 10W, saves 50% energy compares to traditional welding machine.5.Be suitable to stainless steel product, decoration, hardware ... plate welding. Applications: The MMA250 MOS DC Inverter welding machine is widely used stainless steel, decoration, hardware and so ...