Plastic reducer/gear motor with high quality 1.Highly Standard Modular Designed 2.High Strength,Compact Dimension Plastic reducer/gear motor with high quality/(PVC, PP, PE, ... DimensionHousings are made of high strength cast iron. Gears and shaft gears are finished with gas carburizing process ... don't hesitate to contact me. Plastic reducer/gear motor with high quality/(PVC, PP, PE, PA, PC, ABS .etc ...