| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1056.41 | USD | 20251015 |
| Jinan Aochen Chem | China national standards | MT | 1056.03 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 1056.23 | USD | 20251013 |
| Jinan Aochen Chem | China national standards | MT | 1055.62 | USD | 20251011 |
| Jinan Aochen Chem | China national standards | MT | 1055.62 | USD | 20251010 |
| Jinan Aochen Chem | China national standards | MT | 1054.82 | USD | 20251009 |
| Jinan Aochen Chem | China national standards | MT | 1055.52 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1055.02 | USD | 20250929 |
| Jinan Aochen Chem | China national standards | MT | 1054.08 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 1054.08 | USD | 20250926 |