Sub Headings of 9001
| 9001.10.00. | Optical fibers, optical fiber bundles and cables |
| 9001.20.00.00 | Sheets and plates of polarizing material |
| 9001.30.00.00 | Contact lenses |
| 9001.40.00.00 | Spectacle lenses of glass |
| 9001.50.00.00 | Spectacle lenses of other materials |
| 9001.90.40.00 | Lenses |
| 9001.90.50.00 | Prisms |
| 9001.90.60.00 | Mirrors |
| 9001.90.80.00 | Halftone screens designed for use in engraving or photographic processes |
| 9001.90.90.00 | Other |