| Vendor | Spec | Unit | Price | Currency | Date |
| Luzhou Lutianhua | China national standards | MT | 278.43 | USD | 20260528 |
| Luzhou Lutianhua | China national standards | MT | 278.22 | USD | 20260527 |
| Luzhou Lutianhua | China national standards | MT | 278.23 | USD | 20260526 |
| Luzhou Lutianhua | China national standards | MT | 278.11 | USD | 20260525 |
| Luzhou Lutianhua | China national standards | MT | 277.89 | USD | 20260522 |
| Luzhou Lutianhua | China national standards | MT | 277.99 | USD | 20260521 |
| Luzhou Lutianhua | China national standards | MT | USD | 20260520 | |
| Luzhou Lutianhua | China national standards | MT | USD | 20260519 | |
| Luzhou Lutianhua | China national standards | MT | USD | 20260518 | |
| Luzhou Lutianhua | China national standards | MT | USD | 20260515 |