... of gears, sprockets, shaft quenching;2. a variety of axle, leaf springs, fork, valve, rocker, ball stud and other auto parts ... , gear parts hardened surface;4 bed machine tool of machine tool industry guide of quenching(lathe, milling machine, planer, punch, etc.)5. All ... parts of the wind welding IGBT induction heating rod forging machine 120KW