| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1551.46 | USD | 20251105 |
| Jinan Aochen Chem | China national standards | MT | 1551.81 | USD | 20251104 |
| Jinan Aochen Chem | China national standards | MT | 1551.81 | USD | 20251104 |
| Jinan Aochen Chem | China national standards | MT | 1552.2 | USD | 20251103 |
| Jinan Aochen Chem | China national standards | MT | 1552.2 | USD | 20251103 |
| Jinan Aochen Chem | China national standards | MT | 1551.92 | USD | 20251031 |
| Jinan Aochen Chem | China national standards | MT | 1551.92 | USD | 20251031 |
| Jinan Aochen Chem | China national standards | MT | 1552.27 | USD | 20251030 |
| Jinan Aochen Chem | China national standards | MT | 1552.27 | USD | 20251030 |
| Jinan Aochen Chem | China national standards | MT | 1552.73 | USD | 20251029 |