| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1257.88 | USD | 20251203 |
| Shandong Yeyang Chem | China national standards | MT | 1116.54 | USD | 20251203 |
| Shandong Yeyang Chem | China national standards | MT | 1102.41 | USD | 20251203 |
| Shandong Yeyang Chem | China national standards | MT | 1101.79 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1115.91 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1257.17 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Yeyang Chem | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Yeyang Chem | China national standards | MT | 1257.79 | USD | 20251201 |
| Shandong Yeyang Chem | China national standards | MT | 1101.87 | USD | 20251129 |