... Feeder IGBT. Little splash,deep welding. I. WELDING MACHINE WITH FIVE YEARS GUARANTEE&INTERNATIONAL QUALITY CERTIFICATE APPROVED Model No. ... INVERTER TECHNOLOGY,CURRENT-MODE CONTROL,RELIABLE QUALITY,STABLE PERFORMANCE. 2.CLOSED CIRCUIT FEEDBACK,CONSTANT VOLTAGE OUTPUT,WORKABLE ... VOLTAGE RANGE. 3.CONTROLLED BY ELECTRONIC REACTOR,WELDING PERFORMANCE IS STABLE,LITTLE SPATTER,DEEP WELDING PENETRATION,GOOD ...