| Hscode | Description | MFN rate | Temperate rate | Comsumer rate | Vat rate | US additional | CA additional | Detail |
|---|---|---|---|---|---|---|---|---|
| 8540890010 | Photomultiplier tube(optoelectronic cathode area of more than 20 square centimeters, and anode pulse rise of less than 1ns) | 8% | - | 0% | 13% | 35% | More | |
| 8540890090 | Other valves and tubes (including photocathode valves and tubes, mercury arc rectifying valves and tubes) | 8% | - | 0% | 13% | 35% | More |