1. Manufacuring Mold For Head Wheel Segmeng
 2. Casting
 3. Rough Lathe Work
 4. Teeth-Shaping of Sprocket
 5. 2nd Rough Lathe Work
 6. Induction Heat Treatment of Sprocket
 7. Fine Lathe Work
 8. Hole & Tap Hole Boring Work
 9. Waterjet Cutting into 3 Pieces of Sprocket
 10. Rust control, Painting, and Packaging