| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang LunanChem | China national standards | MT | 823.51 | USD | 20260107 |
| Yankuang LunanChem | China national standards | MT | 823.51 | USD | 20260107 |
| Unknown | China national standards | MT | 768.19 | USD | 20260105 |
| Unknown | China national standards | MT | 762.49 | USD | 20260105 |
| Unknown | China national standards | MT | 930.0 | USD | 20210323 |
| Unknown | China national standards | MT | 200.0 | USD | 20210323 |
| Unknown | China national standards | MT | 180.0 | USD | 20210323 |
| Unknown | China national standards | MT | 190.0 | USD | 20210323 |
| Unknown | China national standards | MT | 230.0 | USD | 20210323 |
| Unknown | China national standards | MT | 290.0 | USD | 20210323 |