| 29 | | | HS Code for Organic chemicals |
| 2937 | | HS Code for Hormones prostaglandins thromboxanes and leukotrienes natural or reproduced by synthesis; derivatives and structural analogues thereof including chain modified polypeptides used primarily as hormones |
| | 29371100 | Growth hormone and its derivatives and similar structures |
| | 29371210 | Recombinant human insulin and its salts |
| | 29371290 | Other insulin and its salts |
| | 29371900 | Other polypeptide hormones, protein hormones, glycoprotein hormones and their derivatives and similar structures |
| | 29372100 | Cortisone, hydrocortisone and so on |
| | 29372210 | Dexamethasone |
| | 29372290 | Other halogenated derivatives of adrenal cortex hormones |
| | 29372311 | Estrogen combined with estrogen |
| | 29372319 | Other animal sources estrogen and progesterone |
| | 29372390 | Other corticosteroids halogenated derivatives |
| | 29372900 | Other steroid hormones and their derivatives and similar structures |
| | 29375000 | Prostaglandins, thromboxane and leukotrienes |
| | 29379000 | Other natural or synthetic fibers and their derivatives and structural analogues, including modified chain polypeptides that are primarily used as hormones |
| 73 | | | HS Code for Articles of iron, iron or steel |
| | 73151110 | Bicycle roller chain |
| | 73151120 | Motorcycle roller chain |
| | 73151190 | Other roller chain |
| | 73151200 | Other articulated chain |
| | 73151900 | Chain hinge parts |
| | 73152000 | Snow chains |
| | 73158100 | Word on the link chain |
| | 73158200 | Other welded chain |
| | 73158900 | Nes chain |
| | 73159000 | Chain non-hinged part |
Harmonized Tariff Schedule of China inquiry: textile
