... Apply for treatment, forging, melting, hardening, anneal and so on. Superaudio Induction Heating MachineTechnical Parameter : Model GYS-60AB (Three phase ... through forging press with the help of punch press, forging machine or other equipments, for instances, hot extrusion of watch ... metals or metals with nonmetals through the heating based on the principle of hot expansion or hot smelting, for ...