... TIG WELDING MACHINE 1.IGBT high frequency soft switch transforms, high efficiency , small volume, light weight DC PULSE TIG WELDING MACHINEMODELITEMWSM ... machine multipurpose, easy to operate;4. has the arc to be easy, the electric arc is stable, the welding quality ... Arc welding splash is small, the electric current is stable, the reliability is high, the welded joint forms PULSE TIG WELDING MACHINE