1. Warehousing of Reducer
 2. Disassembling
 3. Washing
 4. Inspection
 5. Manufacturing 1st Pinion Gear Shaft
 6. Manufacturing 1st Wheel Gear
 7. Manufacturing 2nd Pinion Gear Shaft
 8. Manufacturing 2nd Wheel Gear
 9. Replacement of Bearing & Seal Kit
 10. Assembly
 11. Performance Test
 12. Rust control, Painting, and Packaging