1. Warehousing
 2. Disassemble
 3. Manufacture of Cylinder Tube 
 4. Manufacture of Piston Rod 
 5. Repair of Piston 
 6. Manufacture of Rod Cover 
 7. Repair of Head Cover
 8. Seal Kit Change
 9. Manufacture of Bellows 
 10. Bearing Changing
 11. Assembly of Hydraulic Cylinder 
 12. Performance Test
 13. Rust control, Painting, and Packaging