... material of car body won't be distorted during welding and satisfy other special requirement for modern repair techniques ... safety and reliably running.1. Welding and spot welding continuously.2. Can weld STEEL, STAINLESS STEEL, ALUMINIUM.3. Easily set the current ... current magnitude/the wire-feeded rate.4. Optional welding wires: STEEL, STANILESS STELL, ALUMINIUM, THLE/UHTS(BORON STEEL). Mig/mag gas ...