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