| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 1535.8 | USD | 20251020 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.31 | USD | 20251019 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.31 | USD | 20251018 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.31 | USD | 20251017 |
| Liaocheng Yuanze Chem | China national standards | MT | 1535.9 | USD | 20251016 |
| Liaocheng Yuanze Chem | China national standards | MT | 1534.76 | USD | 20251014 |
| Liaocheng Yuanze Chem | China national standards | MT | 1535.06 | USD | 20251013 |
| Liaocheng Yuanze Chem | China national standards | MT | 1534.17 | USD | 20251012 |
| Liaocheng Yuanze Chem | China national standards | MT | 1534.17 | USD | 20251011 |
| Liaocheng Yuanze Chem | China national standards | MT | 1534.17 | USD | 20251010 |