Superaudio induction heater with IGBT system. Apply for treatment, forging, melting, hardening, anneal and so on. Superaudio Induction ... Heating Equipment: A. Heating (hot forging, hot fitting and smelting):1 Hot forging aims to fabricate the work pieces of ... into other shapes through forging press with the help of punch press, forging machine or other equipments, for instances, hot extrusion of ...