... metals such as gears,shaft,steel plate, steel bar, automotive steering gear, etc.High quality induction hardening machine application:1. All kinds ... pin, chain wheel, aluminium wheels, air door, ocher-arm shaft,drive half shaft, mall shaft, sifting fork, etc.hardening.3. All ... kinds of power tool. Such as gear,alex center4. Machine tool bed surface,machine tool guideways,etc ...