**High quality square wave cuffent. speedy current transformation, stable arc, no need to use HF in stabling the arc
**Concentrated heat, solid arc, easy to fill in the wire, especially suitable for the wire filling welding in bicycle industry
**Nice welding seam, strong capability for clearing oxidation film, the clear width can be adjusted continuously
**With foot pedal option, more convenient for operation
**Widely used in aluminum, carbon steel, stainless, cooper and titanium welding, etc