... , stators, timing pulley, camshaft, toothed pulley, splined hub, shifting block, balance weight etc. 6 Garden tool partsGarden ... , gearbox parts, shock absorber parts, synchromesh gear hub, pressure side plate, striking fork, hydraulic valve ... requirements 5Improving dimensional precision 6Achieving required microstructure with various material selection7Supreme surface treatment 8Improving hardness ...