... 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 ... Easy operation and unitary adjustment.2, Built-in data source. Automatic and intelligent parameters can be ... .10, Function of constant-voltage MIG welding, double pulse MIG welding, MMA welding, carbon air gauging ...