| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang LunanChem | China national standards | MT | 983.46 | USD | 20260422 |
| Yankuang LunanChem | China national standards | MT | 984.05 | USD | 20260421 |
| Yankuang LunanChem | China national standards | MT | 997.84 | USD | 20260420 |
| Yankuang LunanChem | China national standards | MT | 1020.08 | USD | 20260417 |
| Yankuang LunanChem | China national standards | MT | 1049.32 | USD | 20260416 |
| Yankuang LunanChem | China national standards | MT | 1061.5 | USD | 20260415 |
| Yankuang LunanChem | China national standards | MT | USD | 20260414 | |
| Yankuang LunanChem | China national standards | MT | USD | 20260413 | |
| Yankuang LunanChem | China national standards | MT | USD | 20260410 | |
| Yankuang LunanChem | China national standards | MT | USD | 20260409 |