| HS Codes | Unit Code | Unit | Descriptions in Chinese | Descriptions in English |
|---|---|---|---|---|
| 74081100 | 9 | 千克 | 最大截面尺寸＞6mm的精炼铜丝 | Wire of refined Cu of which the max cs dimension〉6mm |
| 74081900 | 9 | 千克 | 其他精炼铜丝 | Wire of refined Cu of which the max cs dimension≤6mm |
| 74082100 | 9 | 千克 | 铜锌合金丝 | Wire, Cu-zinc base alloy |
| 74082210 | 9 | 千克 | 铜镍锌铅合金（加铅德银）丝 | Wire of copper-nickel-zinc-lead base alloys(leaded nickel silver) |
| 74082290 | 9 | 千克 | 其他铜镍合金（白铜)或铜镍锌合金（德银）丝 | Wire of cupronickel or nickel silver |
| 74082900 | 9 | 千克 | 其他铜合金丝 | Wire, Cu alloy, nes |
