1. Warehousing
 2. Disassemble
 3. Manufacture of Cylinder Tube
 4. Manufacture of Piston Rod 
 5. Repair of Piston 
 6. Manufacture of Rod Cover 
 7. Manufacture of Head Cover 
 8. Welding Cylinder Tube & Head Cover
 9. SEAL KIT Change
 10. Assembly of Hydraulic Cylinder
 11. Performance Test
 12. Rust control, Painting, and Packaging