| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang LunanChem | China national standards | MT | 1223.53 | USD | 20260410 |
| Yankuang LunanChem | China national standards | MT | 1238.18 | USD | 20260409 |
| Yankuang LunanChem | China national standards | MT | 1285.33 | USD | 20260407 |
| Yankuang LunanChem | China national standards | MT | 1218.65 | USD | 20260403 |
| Yankuang LunanChem | China national standards | MT | USD | 20260401 | |
| Yankuang LunanChem | China national standards | MT | USD | 20260331 | |
| Yankuang LunanChem | China national standards | MT | USD | 20260330 | |
| Yankuang LunanChem | China national standards | MT | USD | 20260327 | |
| Yankuang LunanChem | China national standards | MT | USD | 20260326 | |
| Yankuang LunanChem | China national standards | MT | USD | 20260325 |