... ODM accepted 5ISO9001:2008 certificate High precision powder metal sintered parts Features:1 High density and good ... , Spur gear, Curved gear, Rack gear, Circular gear, Driving & driven gear, Medium gears, Planetary reducer gear, Planetary reducer gear parts, Ratchet ... projector, Rockwell hardness tester, Metallographic measuring instrument, gear beating detector, beat monitor, digital push & pull ...