... ,Ultrahigh frequency,Double frequency) it is appliying for classes of machine parts to heat treating(quenching,anneal, temper,normalizing..., Through heating ... Siemens IGBT,MOSFET and any other new type induction heating machine. 2.Fast speed,low power consumption,small volume,light weight ... fail,over hot,etc. 3.It has the function of manual,semi-automatic,full-automatic and divide period to control, it ...