... frequency,High frequency,Ultrahigh frequency,Double frequency) it is appliying forclasses of machine parts to heat treating(quenching,anneal, temper,normalizing..., Through heating ... and with CEpredominance as belows: 1.The induction heating equipment mains circuit adopts Siemens IGBT,MOSFET and any ... other new type induction heating machine. 2.Fast speed,low power consumption,small ...