1,the contra overiance technology high stability ,high auto adjusting ability of arcs ,mildness of arcs and little welding splash when voltage waves and arcs length changed .
2, east to strike arcs ;
3,having high deposition rates in welding ;
4,having little deformation and good formation of welding seams
5,having small weight and small volume,convenient to move ;
6,having high efficiency,high power factors as being high efficiency equipment;