1. Warehousing of L1-JB830 Gear Box
 2. Disassembling
 3. Washing
 4. Inspection
 5. Cr-Plating and Polishing of Gear Shaft
 6. Manufacuring Bushing
 7. Replacement of Bearing & Seal Kit
 8. Assembly of Gear Box
 9. Performance Test
 10. Rust control, Painting, and Packaging