| HS Codes | Unit Code | Unit | Descriptions in Chinese | Descriptions in English |
|---|---|---|---|---|
| 90131000 | 1 | 个 | 武器望远瞄准具;潜望望远镜;机仪器望远镜 | Telescopic sights for fitting to arms; periscopes; telescopes etc |
| 90132000 | 1 | 个 | 激光器，激光二极管除外 | Lasers, other than laser diodes |
| 90138010 | 1 | 个 | 放大镜 | Hand magnifying glasses |
| 90138020 | 1 | 个 | 光学门眼 | Door eyes |
| 90138030 | 1 | 个 | 液晶显示板 | Liquid crystal display panel |
| 90138090 | 1 | 个 | 未列名液晶装置和未列名光学仪器及器具 | Crystal devices nes; optical appliances/instruments nes |
| 90139010 | 9 | 千克 | 品目90131000及90132000所列货品的零件、附件 | Parts & accessories of appliances of 9013.1000 or 9013.2000 |
| 90139020 | 9 | 千克 | 编号9013.8030（液晶显示板）所列货品的零件、附件 | Parts & accessories of appliances of 9013.8030 |
| 90139090 | 9 | 千克 | 子目9013.80所列货品的零件、附件，编号9013.8030除外 | Parts & accessories of other appliances/instruments of 90.13(excl.9013.80.0) |
