| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1145.44 | USD | 20250928 |
| Shandong Yeyang Chem | China national standards | MT | 1145.44 | USD | 20250926 |
| Shandong Yeyang Chem | China national standards | MT | 1146.97 | USD | 20250925 |
| Shandong Yeyang Chem | China national standards | MT | 1139.93 | USD | 20250925 |
| Shandong Yeyang Chem | China national standards | MT | 1146.97 | USD | 20250924 |
| Shandong Yeyang Chem | China national standards | MT | 1139.93 | USD | 20250923 |
| Shandong Yeyang Chem | China national standards | MT | 1146.97 | USD | 20250923 |
| Shandong Yeyang Chem | China national standards | MT | 1139.14 | USD | 20250922 |
| Shandong Yeyang Chem | China national standards | MT | 1146.18 | USD | 20250922 |
| Shandong Yeyang Chem | China national standards | MT | 1145.82 | USD | 20250920 |