... manufacturer with price list ... gear, Curved gear, Rack gear, Circular gear, Driving & driven gear, Medium gears, Planetary reducer gear, Planetary reducer gear parts, Ratchet wheel etc. 3 Oil BearingsOil bearings, oilless bearings, bushing bearings ... gear beating detector, beat monitor, digital push & pull tester.6. High precision within tolerance 0.02mm, 100% good quality with competitive price ...