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. Assembly of Hydraulic Cylinder
 11. Performance Test 
 12. Rust control, Painting, and Packaging