1. Multi-process welding, MMA, MIG, TIG, CAC-A; 2. Double Pulse, built-in water tank, Al welded well. 3. CE,SGS, ISO9001, CCC MIG-500P Double Pulse Aluminum ... machines are equipped with the welding robots.10, Function of constant-voltage MIG welding, double pulse MIG welding, MMA welding, carbon air gauging. MIG-500P Double Pulse Aluminum Digital Inverter IGBT MIG Welding Machine