1. Warehousing of Roller Lining Shaft
 2. Inspection & Wahsing
 3. Manufacturing Jig for Shaft
 4. Surface Welding on Shaft
 5. Normalizing Heat Treatment
 6. Rough Lathe Work of Shaft
 7. Q.T. Heat Treatment on Surface of Bearing Part
 8. Polishing
 9. Rust control, Painting, and Packaging