... and motorcycle fittings, such as crankshaft, connecting rod, piston pin, chain wheel, aluminum wheel, valve, rock arm shaft, semi drive shaft ... metal parts and machined parts, such as big shaft, gear (chain wheel), camshaft, chuck and clamp etc.6. Hardware molds, such ... as small-size mold, mold accessory and inner hole of mold.7. Other metal products.IGBT (SIEMENS) technology ...