... ; for quenching; for hardening; for annealing; IGBT Intermediate Frequency Induction Heating Machine, Induction Heating Generator, Induction Heating Power(1-20khz) Main features 1.Adopt IGBT technology, with ... pail, aluminum radiator and various aluminum products. IGBT Intermediate Frequency Induction Heating Machine, Induction Heating Generator, Induction Heating Power(1-20khz)