... accepted 5ISO9001:2008 certificate Powder metallurgy sintered door lock parts Features: 1High density and good strength2Good abrasion ... , Planetary reducer gear, Planetary reducer gear parts, Ratchet wheel etc. 3 Oil BearingsOil bearings, oilless bearings, bushing ... parts like bushings, sleeves, pistons, connecting rod, fasteners, nuts, rotors, stators, timing pulley, camshaft, toothed pulley, splined ...