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