1. Warehousing
 2. Disassemble
 3. Repair of Cylinder Tube (Honing Work)
 4. Repair of Piston Rod 
 5. Manufacture of Seal Cover 
 6. Modification of Cylinder Seal Cover Bolt Spot (Boring Work)
 7. Seal Kit Change
 8. Assembly of Roller Cylinder 
 9. Performance Test
 10. Rust control, Painting, and Packaging