| Tariff Classification |
| section 05 | Mineral products |
| chapter 25 | Salt; sulphur; earths and stone; plastering materials, lime and cement |
| 25.19 | Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure: |
| 2519.90 | －Other: |
| －－Magnesium oxide: |
| －－－Magnesia clinker |
|