| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1031.76 | USD | 20251210 |
| Wanhua Chem | China national standards | MT | 1031.47 | USD | 20251209 |
| Wanhua Chem | China national standards | MT | 1073.86 | USD | 20251209 |
| Wanhua Chem | China national standards | MT | 1073.86 | USD | 20251209 |
| Wanhua Chem | China national standards | MT | 1045.6 | USD | 20251209 |
| Wanhua Chem | China national standards | MT | 1073.99 | USD | 20251208 |
| Wanhua Chem | China national standards | MT | 1031.6 | USD | 20251208 |
| Wanhua Chem | China national standards | MT | 1045.73 | USD | 20251208 |
| Wanhua Chem | China national standards | MT | 1045.95 | USD | 20251207 |
| Wanhua Chem | China national standards | MT | 1031.82 | USD | 20251207 |