| Vendor | Spec | Unit | Price | Currency | Date |
| Derun Chem | China national standards | MT | 932.88 | USD | 20251205 |
| Derun Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Derun Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Derun Chem | China national standards | MT | 932.81 | USD | 20251203 |
| Derun Chem | China national standards | MT | 932.28 | USD | 20251202 |
| Derun Chem | China national standards | MT | 1115.91 | USD | 20251202 |
| Derun Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Derun Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Derun Chem | China national standards | MT | 932.35 | USD | 20251129 |
| Derun Chem | China national standards | MT | 932.35 | USD | 20251128 |