| HS Codes | Unit Code | Unit | Descriptions in Chinese | Descriptions in English |
|---|---|---|---|---|
| 90291010 | 1 | 个 | 转数计 | Revolution counters |
| 90291020 | 1 | 个 | 车费计、里程计 | Taximeters and mileometers |
| 90291090 | 1 | 个 | 产量计数器、步数计及类似仪表 | Production counters, pedometers & the like |
| 90292010 | 1 | 个 | 车辆用速度计 | Speed indicators for vehicles |
| 90292090 | 1 | 个 | 其他速度计及转速表，频闪观测仪 | Speed indicators not for vehicles, tachometers; stroboscopes |
| 90299000 | 9 | 千克 | 品目9029所列仪表的零件及附件 | Parts & accessories of apparatus of heading 90.29 |
