... bevel gear, gearbox, gear shaft is quality Our reduction gears, ring gear, spur gear, gear wheel, motor gear, worm gear, ... gear, gearbox, metal gear, bull gear, sprocket, shaft, reducer, gear ring, car gear, gear shaft, car pinion, special gear shaft, special ... : blackened or grey or zinc galvanizedHeat treatment: Teeth hardened or case hardenedPrecision level: when you place the order, must let us ...