... Feeder IGBT. Little splash,deep welding. I. WELDING MACHINE WITH FIVE YEARS GUARANTEE&INTERNATIONAL QUALITY CERTIFICATE APPROVED Model No ... ENLARGEDS THE WELDING OPERATION SCOPE.NB 250 WITH MMA FUNCTION,ONE MACHINE WITH TWO FUNCTIONS. 8.SMALL SIZE ,LIGHT WEIGHT ... ,EASY OPERATION,ECONOMICAL AND PRACTICAL. WELDING MACHINE WITH FIVE YEARS ...