| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1151.23 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1144.73 | USD | 20251201 |
| Shandong Yeyang Chem | China national standards | MT | 1151.8 | USD | 20251201 |
| Shandong Yeyang Chem | China national standards | MT | 1151.31 | USD | 20251129 |
| Shandong Yeyang Chem | China national standards | MT | 1144.25 | USD | 20251129 |
| Shandong Yeyang Chem | China national standards | MT | 1144.25 | USD | 20251128 |
| Shandong Yeyang Chem | China national standards | MT | 1151.31 | USD | 20251128 |
| Shandong Yeyang Chem | China national standards | MT | 1144.41 | USD | 20251127 |
| Shandong Yeyang Chem | China national standards | MT | 1151.47 | USD | 20251127 |
| Shandong Yeyang Chem | China national standards | MT | 1144.13 | USD | 20251126 |