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