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