1.Adoptenergystoragedischargeininstanttocompletepositionwelding,itissimpleandeasytooperate,withhighefficiency,safeandreliable; 2.Mainlyputthemetalscrewandnutkindonmetal,thatsconvenientandswift,theweldcombinationstrengthisinheight,heatingsurfaceislittle,thebasematerialisntoutofshape; 3.Usedforwideapplicationsuchasmetalprocessing,hardwarecraft,metalfurnitureandkitchenutensils.