... ,hardening metal Henan ,China Hot-selling High Frequency Induction Heating Power SupplyApplications :Quenching categories:1. All kinds of gears, sprockets ... nonmetal materials, while heating metal materials instantly.2. IGBT, MOSFET power accessories made by SEIMENS are adopted, which is unique ... of automatic and manual type with control of output power.6. The machine is equipped with alarm lamps, ...