... AC MMA Welding Machine *Single phase moving coli,AC arc welder for MMA welding BX3 AC MMA Welding MachineDetailed Product Description1. ... WARRANTY Features*Single phase moving coli,AC arc welder for MMA welding.*Suitable for welding low carbon steel,low alloy steel ... Compact strctrue,wide current adjust range,suitable for welding different workpieces.*Stable arc,low noise,less vibration to increase the ...