| Vendor | Spec | Unit | Price | Currency | Date |
| Derun Chem | China national standards | MT | 934.82 | USD | 20251216 |
| Derun Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Derun Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Derun Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Derun Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Derun Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Derun Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Derun Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Derun Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Derun Chem | China national standards | MT | 932.88 | USD | 20251205 |