China best Nylon Plastic Planetary Transmission Spur Gear top gear

Product Description                                                          Nylon Plastic Planetary Transmission Spur GearProduct Description Mold MaterialAluminum,45#, P20, H13, 718, 1.2344, 1.2738 and so onPlastic MaterialPC/ABS, ABS, PC, PVC, PA66, POM or other...