... 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, ... monitoring and diagnostics system—"JKZ-PS" device, guarantee the machine of high stability, reliability and security. Strict Supplier Management ...