1. Materials
 2. Steel Plate Bending, Welding, and Correcting
 3. Steel Plate For Support
 4. C-Shape Steel for Support
 5. Welding Support on Bendings
 6. Hole & Tap Hole Boring Work
 7. Sand Blasting
 8. Ultrasonic Test
 9. Grinding
 10. Rust control, Painting, and Packaging