| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1135.25 | USD | 20250813 |
| Shandong Yeyang Chem | China national standards | MT | 1134.17 | USD | 20250812 |
| Shandong Yeyang Chem | China national standards | MT | 1141.17 | USD | 20250812 |
| Shandong Yeyang Chem | China national standards | MT | 1141.38 | USD | 20250811 |
| Shandong Yeyang Chem | China national standards | MT | 1134.37 | USD | 20250811 |
| Shandong Yeyang Chem | China national standards | MT | 1134.74 | USD | 20250809 |
| Shandong Yeyang Chem | China national standards | MT | 1141.74 | USD | 20250809 |
| Shandong Yeyang Chem | China national standards | MT | 1141.74 | USD | 20250808 |
| Shandong Yeyang Chem | China national standards | MT | 1134.74 | USD | 20250808 |
| Shandong Yeyang Chem | China national standards | MT | 1142.34 | USD | 20250807 |