... , ISO9001, CCC MIG-500P Double Pulse Aluminum Inverter Digital Welding Machine Order No.ZT5751Product ModelMIG-500PInput Voltage/Frequency3~380V 50/ ... Can store 100sets customized welding parameters4, Digital controller can control the waveform.5, Digital wire-feed controlling system can make the ... welding, carbon air gauging. MIG-500P Double Pulse Aluminum Digital Inverter IGBT MIG Welding Machine