1. High Frequency Induction Heating Power 2.GP series 3.Mosfet technology 4.ISO 9001:2000 5.Environment-friendly Small size solid high-frequency heating power ( ... and other kinds of tools heat treatment; Gear, wheel machine, such as gave parts, shaft parts of internal combustion ... nuts; temperature pier Valve, screw end, gear, auto parts machine, bed guide quenching; Metal thin tape annealing; A few ...