1. Warehousing
 2. Disassemble
 3. Reducer Cleaning
 4. Reducer Inspection
 5. Cutting Shaft & Disassemble
 6. Manufacture of Shaft 
 7. Reducer Bearing & Retainer Change
 8. Motor Bearing & Retainer Change
 9. Assembly of Reducer 
 10. Performance Test
 11. Rust control, Painting, and Packaging