4 National System Co.,Ltd.
Country South Korea
Supplier Grade level3
INVERTER DC TIG WELDER(NST-350)
INVERTER AC/DC TIG WELDER(NST-AC/DC 350)
INVERTER DC ARC WELDER(NSA-200)
WELDING PIPE ROTATOR MACHINE(NSPR-1000)
→ Suitable forusing at any place by plug type of 220V, single phase.
→ No need to connect high air compressor inside power source.
→ No need keeping to push torch switch during cutting by turn Torch switch holding switch.
→ Non contact arc starting by pilot circult.