1. Warehousing
 2. Disassemble
 3. Repair of Hydraulic Cylinder Tube (Honing Work)
 4. Manufacture of Piston Rod
 5. Repair of Piston
 6. Manufacture of Head Cover
 7. Repair of End Cover
 8. Repair of Bolt & Nut (Grinding)
 9. Seal Kit Change
 10. Assembly of Hydraulic Cylinder
 11. Performance Test
 12. Rust control, Painting, and Packaging