AC/DC TIG welder AC/DC TIG welding machine TIG 250

         AC/DC  TIG welder AC/DC  TIG welding machine TIG 250 Features: 1. variable regulating. Easy to use. Portable and reliable. 2. stable arc. Easy control of welding-pool depth. Beautifl welding seam. 3. auto-protective function against over-voltage and over-current. 4. continuous and stable working capacity. With function of balancing voltage-waving. 5. no-load loss is less than 100W. 50% energy-saving more than traditional welders. 6. suitable for thin-plate welding in the field like stainless steel manufacture.