美国 · 品目· 9 个子目· 12 个税号
3102矿物或化学氮肥
Mineral or chemical fertilisers, nitrogenous
子目（6 位 WCO 统一）
美国税号（10 位）
本品目下 美国海关的全部细分税号与首要税率
| HS 编码 | 商品描述 | 首要税率 |
|---|---|---|
| 3102.10.00 | Urea, whether or not in aqueous solution | Free |
| 3102.10.00.10 | Solid urea | Free |
| 3102.10.00.30 | Diesel exhaust fluid (DEF) of a kind meeting ISO 22241 | Free |
| 3102.10.00.50 | Other | Free |
| 3102.21.00.00 | Ammonium sulfate | Free |
| 3102.29.00.00 | Other | Free |
| 3102.30.00.00 | Ammonium nitrate, whether or not in aqueous solution | Free |
| 3102.40.00.00 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances | Free |
| 3102.50.00.00 | Sodium nitrate | Free |
| 3102.60.00.00 | Double salts and mixtures of calcium nitrate and ammonium nitrate | Free |
| 3102.80.00.00 | Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution | Free |
| 3102.90.01.00 | Other, including mixtures not specified in the foregoing subheadings | Free |