... Copper induction Coil with CE 1 Heat treating all classes of machine parts to quenching,anneal 2.Adopts Siemens IGBT,MOSFET Copper ... frequency,Double frequency) it is appliying forclasses of machine parts to heat treating(quenching,anneal, temper,normalizing..., Through heating,braze ... . 3.It has the function of manual,semi-automatic,full-automatic and divide period to control, it is more convenient use ...