... parts to quenching,anneal 2.Adopts Siemens IGBT,MOSFET Copper induction coil contain four types (Medium frequency,High frequency,Ultrahigh ... , other field and with CEpredominance as belows: 1.The induction heating equipment mains circuit adopts Siemens IGBT,MOSFET and any ... Fast speed,low power consumption,small volume,light weight,easily used,it also has perfect system of protecting itself when ...