| HS Codes | Unit Code | Unit | Descriptions in Chinese | Descriptions in English |
|---|---|---|---|---|
| 32011000 | 9 | 千克 | 坚木浸膏 | Quebracho extract |
| 32012000 | 9 | 千克 | 荆树皮浸膏 | Wattle extract |
| 32019010 | 9 | 千克 | 其他植物鞣料浸膏 | Other tanning extracts of vegetable origin, nes |
| 32019090 | 9 | 千克 | 鞣酸及其盐、醚、酯和其他衍生物 | Tannins and their salts, ethers, esters/othr derivatives |
