| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1336.35 | USD | 20250929 |
| Wanhua Chem | China national standards | MT | 983.81 | USD | 20250928 |
| Wanhua Chem | China national standards | MT | 1335.17 | USD | 20250928 |
| Wanhua Chem | China national standards | MT | 983.81 | USD | 20250926 |
| Wanhua Chem | China national standards | MT | 985.12 | USD | 20250925 |
| Wanhua Chem | China national standards | MT | 1336.95 | USD | 20250925 |
| Wanhua Chem | China national standards | MT | 985.12 | USD | 20250924 |
| Wanhua Chem | China national standards | MT | 1336.95 | USD | 20250924 |
| Wanhua Chem | China national standards | MT | 1336.95 | USD | 20250923 |
| Wanhua Chem | China national standards | MT | 985.12 | USD | 20250923 |