... precision 4OEM/ODM accepted 5ISO9001:2008 certificate Powder metallurgy sintered all types of bearings for garden tools Features: 1High density and ... seat, oil pump rotor, oil pump gear, oil pump flange, Pistons, Foot Valves, Rod Guide for Shock Absorber parts ... machine, CNC machine, polishing machine, plating machine etc.5. All-round testing equipments: 2.5d profile projector, Rockwell hardness tester ...