The soft switching inverter technique can solve the IGBT easily broken problem. The electronic reactor is used to reduce the spatter and improve weld bead. Adopting parts of domestic or foreign Well-known brands to guarantee the reliability. Large adjustable range of welding parameters; easy to operate. The mission success rate of starting arc is extremely high.Without melt ball in the wire end after welding. High power factor; low need of electricity; small volume and weight; easy to move. Available lengthen cables; 50 meters the longest; stable welding parameters