1. Forging Material of Ring Gear
 2. 1st Rough Lathe Work (Turning)
 3. Normalizing Heat Treatment
 4. 2nd Rough Lathe Work (Turning)
 5. Gear Shaping Work
 6. Induction Heat Treatment
 7. Fine Lathe Work (Turning)
 8. Gear Polishing
 9. Rust control, Painting, and Packaging