... ODM accepted 5ISO9001:2008 certificate Powder metallurgy sintered all types of bearings for garden tools Features: 1High density and ... Other sintered parts like bushings, sleeves, pistons, connecting rod, fasteners, nuts, rotors, stators, timing pulley, camshaft, toothed pulley, ... complex, high precision parts at a fraction of the cost of competing technologies such as machining and investment casting ...