... hardness 3high precision 4OEM/ODM accepted 5ISO9001:2008 certificate Good quality cabinets lock parts in powder metallurgy Features: 1High ... seat, oil pump rotor, oil pump gear, oil pump flange, Pistons, Foot Valves, Rod Guide for Shock Absorber ... 6. High precision within tolerance 0.02mm, 100% good quality with competitive price, good abrasion resistance, high density & hardness, high efficiency, ...