| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 759.95 | USD | 20250925 |
| Shandong Yeyang Chem | China national standards | MT | 774.03 | USD | 20250925 |
| Shandong Yeyang Chem | China national standards | MT | 788.1 | USD | 20250925 |
| Shandong Yeyang Chem | China national standards | MT | 759.95 | USD | 20250924 |
| Shandong Yeyang Chem | China national standards | MT | 788.1 | USD | 20250924 |
| Shandong Yeyang Chem | China national standards | MT | 774.03 | USD | 20250924 |
| Shandong Yeyang Chem | China national standards | MT | 759.95 | USD | 20250923 |
| Shandong Yeyang Chem | China national standards | MT | 774.03 | USD | 20250923 |
| Shandong Yeyang Chem | China national standards | MT | 788.1 | USD | 20250923 |
| Shandong Yeyang Chem | China national standards | MT | 773.49 | USD | 20250922 |