| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1254.0 | USD | 20251020 |
| Shandong Yeyang Chem | China national standards | MT | 1113.48 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 1099.38 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 1099.38 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 1254.42 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 1113.18 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1254.09 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1254.09 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1099.09 | USD | 20251016 |