1. Manufacturing Mold for Sprocket & Boss
 2. Casting
 3. Rough Lathe Work of Sprocket
 4. Teeth-Shaping of Sprocket
 5. Induction Heat Treatment of Sprocket
 6. Hole & Tap Hole Boring Work of Sprocket
 7. Waterjet Cutting-off into 3 Pieces of Sprocket
 8. Fine Lathe Work of Boss
 9. Hole & Tap Hole Boring Work of Boss
 10. Manufacturing Reamer Bolt
 11. Assembling Sprocket & Boss
 12. Rust control, Painting, and Packaging