Use advanced soft-switch inverter technology. 
Use microcomputer control, rich in feature, easy to maintain. 
High-frequency pressure charged arc starting, good performance, stable arc when welding. 
Simple structure, good technology, reliable quality, durable, and easy to maintain.

 Built-in protective circuit for overheating, over-current, or over-voltage.
Use 
Can be widely used in petroleum, chemical, electric power construction, metallurgy, and construction, boilers, plumbing, and other manufacturing industries. 
Suitable for all-position welding of low-carbon steel, cast iron, stainless steel, and copper alloy, etc.