... frequency,Double frequency) it is appliying forclasses of machine parts to heat treating(quenching,anneal, ... field and with CEpredominance as belows: 1.The induction heating equipment mains circuit adopts Siemens IGBT ... ,over hot,etc. 3.It has the function of manual,semi-automatic,full-automatic and divide ... 4.Special cycle cooling system, make sure the machine work 24 hours continuously.For details, ...