1.Three phase , DC
2.high efficiency.fan cooled
3.Strong wire feeder with 2-4 rollers .
4.precise control of current wave ,thermal protection
5. suitable for flux welding wire (no gas) and solid wire( with gas).
6.Little spatter , nice welding performance, suitable for use in industrial field, applicable for use with a wide range of materials such as carbon steel , stainless steel , alum,alloy,etc .