... energy saving. high frequency induction welding equipment,high frequency induction welding furnace,induction welding machine.Application:1. Heat shapingA, ... .3.Heat treatmentHardening, Annealing, Tempering for Surface, inner bore, local, integral of All kinds of hardware tools, ... size machine tool guideways and Ductile cast iron.4.Welding, Welding head, lathe tool, reamer, milling cutter, drill ...