... metals mma-160 inverter welding machine Advanced (MOS )inverter technology, stable current, steady and intensive arc, high working efficiency, convenient ... , suitable for TIG and MMA of various metals;Stable arc, high welder speed, little spatter, suitable for filler ... distance welding. 5. Automatic arc force and hot start to perform perfeet welding. 160A Arc dc inverter welding machine mma-160