... annealing; 90KW intermediate frequency induction braze welding machine, hardening, quenching(1-20KHz) Main features 1.Adopt IGBT technology, ... so it reduces th cost when producing. induction braze welding machine Application of Induction heating equipment: Heating (hot forging, hot ... various aluminum products. 90KW intermediate frequency induction braze welding machine, hardening, quenching(1-20KHz)