... Crown Worm Gears OEM GearPlastic Gear, Plastic Shaft Single Double Reduction Crown Worm Gears, Plastic Gear Set, Steel Gear, OEM ... PVC,PA6,PA66,TPEE,PC+ABS,etc. non-poisonous plastic material2Practicable SoftwarePro/E, UG, Catia, Solid works, Mold flow ... can be choose per requirement 8 Business scopeMold and plastic parts designing and makingCNC prototype manufacturingPacking and Delivery:Single ...