... normalizing, quenching, tempering.1. Hardware and tools, such as plier, wrench, hammer, ax, screwing tools and shear (orchard shear).2. Automobile ... motorcycle fittings, such as crankshaft, connecting rod, piston pin, chain wheel, aluminum wheel, valve, rock arm shaft, semi drive ... metal parts and machined parts, such as big shaft, gear (chain wheel), camshaft, chuck and clamp etc.6. Hardware molds, ...