| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1552.73 | USD | 20251029 |
| Jinan Aochen Chem | China national standards | MT | 1552.44 | USD | 20251028 |
| Jinan Aochen Chem | China national standards | MT | 1552.44 | USD | 20251028 |
| Jinan Aochen Chem | China national standards | MT | 1551.9 | USD | 20251027 |
| Jinan Aochen Chem | China national standards | MT | 1551.9 | USD | 20251027 |
| Jinan Aochen Chem | China national standards | MT | 1550.87 | USD | 20251024 |
| Jinan Aochen Chem | China national standards | MT | 1550.87 | USD | 20251024 |
| Jinan Aochen Chem | China national standards | MT | 1551.09 | USD | 20251023 |
| Jinan Aochen Chem | China national standards | MT | 1551.09 | USD | 20251023 |
| Jinan Aochen Chem | China national standards | MT | 1550.3 | USD | 20251022 |