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 & End Cover
 8. Bearing Change
 9. Manufacture of Bellows 
 10. Seal Kit Change
 11. Assembly of Triple Gate Cylinder
 12. Performance Test 
 13. Rust control, Painting, and Packaging