... 4.simple operation Usage:forging ,hardening metal Henan ,China Hot-selling High Frequency Induction Heating Power SupplyApplications :Quenching categories: ... sprockets, shaft quenching; 2. a variety of axle, leaf springs, fork, valve, rocker, ball stud and other auto parts ... tools quenchingDiathermy categories1. All kinds of bolt, nut hot forging; 2 hot-rolled cannabis cobalt; 3 diameter of 50 within ...