| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 732.72 | USD | 20251016 |
| Jinan Aochen Chem | China national standards | MT | 732.45 | USD | 20251015 |
| Jinan Aochen Chem | China national standards | MT | 732.18 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 732.32 | USD | 20251013 |
| Jinan Aochen Chem | China national standards | MT | 731.9 | USD | 20251011 |
| Jinan Aochen Chem | China national standards | MT | 731.9 | USD | 20251010 |
| Jinan Aochen Chem | China national standards | MT | 731.34 | USD | 20251009 |
| Jinan Aochen Chem | China national standards | MT | 731.83 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 731.48 | USD | 20250929 |
| Jinan Aochen Chem | China national standards | MT | 730.83 | USD | 20250928 |