... motorcycle fittings, such as crankshaft, connecting rod, piston pin, chain wheel, aluminum wheel, valve, rock arm shaft, semi drive shaft, small shaft ... metal parts and machined parts, such as shaft, gear (chain wheel), cam, chuck and clamp etc.6. Quench for hardware molds ... (surface quenching):Annealing (tempering and modulation): 160kw induction heating power machines (1-20khz)