1. Forging Material of Polycom Shaft
 2. Normalizing Heat Treatment
 3. 1st Rough Lathe Work of Shaft
 4. Q.T. Heat Treatment
 5. 2nd Rough Lathe Work of Shaft
 6. Hard-Facing Welding on Shaft
 7. Fine Lathe Work of Shaft
 8. Hole & Tap Hole Boring Work
 9. Rust control, Painting, and Packaging