... of process is highApplications:all kinds of metals such as gears,shaft,steel plate, steel bar, automotive steering gear, etc. ... of hardware metal parts, machinery process parts all kinds of gears, chain gears Axles hardening.2.All kinds of automobile, motorcycle parts. such ... as crank axles, tie rod, gudgeon pin, chain wheel, aluminium wheels, air door, ocher-arm shaft,drive half ...