1. Aluminum Ruler 2. Zinc-coated Steel Hanger 3. Silicone Sealant 4. Aluminum Reinforcement Section Bar 5. Aluminum Adhesive Tape 6. Special Glue 7. Zinc-coated Steel Shape Disks 8. Zinc-coated Steel Angle Bracket 9. PVC Covering Angle 10. PVC Chair Section Bar 11. PVC F Section Bar 12. PVC U Section Bar 13. PVC Tee Connector Flange Joint 14. PVC Invisible Flange Join 15. Pre-insulated Duct Tool Box