... wave spot welding TIG315AC/DC :welding style: DC TIG,AC TIG welding;using:widely used in furniture and supplies,bicycles, ... heating, over load,phase auto-protection to ensure welding safty, durable and reliable; 2.EMC electromagnetic compatibility features, a powerful ... performance, protect the contents of the circuit and its components, welding, it has excellent stabilty;perfect user-friendly design ...