Suitable for MIG and MAG weld, with wire feeder. Suitable for carbon steel,alloy steel, ect. DC MIG/MAG Welding Equiptment. The features of DC MAG/MIG Welding Equipment NBC-630:1. High frequency inverter, waveform control and soft switch technology, digital panel display, advance setup function;2. Current and voltage can be regulated continuously at a wide range, automatic voltage pulsation ...