1. Warehousing of Reducer
 2. Disassembling
 3. Washing
 4. Inspection
 5. Manufacturing Pinion Gear Shaft
 6. Manufacturing Wheel Gear
 7. Cr-Plating & Polishing of Output Shaft
 8. Manufacturing of Retainer Cover
 9. Replacement of Bearing & Retainer
 10. Assembly
 11. Performance Test
 12. Rust control, Painting, and Packaging