Welding Equipment 1.Sound-proof. 2.DC hand electrode 3.Use MOS/IGBT technnology 4.Less splash, ... )350x220x260Main Features of MMA-601.Adopt with advanced MOS/IGBT inverter technology, save energy, protect the environment, light and compact, portable ... alloy material. 7.With complete accessories. 8.Carton box/BMC. dc inverter mma welder