... ,Ultrahigh frequency,Double frequency) it is appliying forclasses of machine parts to heat treating(quenching,anneal, temper,normalizing..., Through ... circuit adopts Siemens IGBT,MOSFET and any other new type induction heating machine. 2.Fast speed,low power consumption,small volume ... use. 4.Special cycle cooling system, make sure the machine work 24 hours continuously.For details,please feel free ...