| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 759.95 | USD | 20250925 |
| Wanhua Chem | China national standards | MT | 2153.2 | USD | 20250924 |
| Wanhua Chem | China national standards | MT | 759.95 | USD | 20250924 |
| Wanhua Chem | China national standards | MT | 1020.31 | USD | 20250924 |
| Wanhua Chem | China national standards | MT | 844.39 | USD | 20250923 |
| Wanhua Chem | China national standards | MT | 1020.31 | USD | 20250923 |
| Wanhua Chem | China national standards | MT | 759.95 | USD | 20250923 |
| Wanhua Chem | China national standards | MT | 2153.2 | USD | 20250923 |
| Wanhua Chem | China national standards | MT | 843.81 | USD | 20250922 |
| Wanhua Chem | China national standards | MT | 1019.6 | USD | 20250922 |