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