... Double Reduction Crown Worm Gears OEM GearPlastic Gear, Plastic Shaft Single Double Reduction Crown Worm Gears, Plastic Gear Set, Steel Gear ... , OEM GearMaterial: Plastic( PP, PA, POM, etc), Steel, ... be choose per requirement 8 Business scopeMold and plastic parts designing and makingCNC prototype manufacturingPacking and Delivery: ...