| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1059.38 | USD | 20251126 |
| Jinan Aochen Chem | China national standards | MT | 1058.93 | USD | 20251125 |
| Jinan Aochen Chem | China national standards | MT | 1058.62 | USD | 20251124 |
| Jinan Aochen Chem | China national standards | MT | 1058.2 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 1057.75 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 1058.25 | USD | 20251119 |
| Jinan Aochen Chem | China national standards | MT | 1059.08 | USD | 20251117 |
| Jinan Aochen Chem | China national standards | MT | 1058.95 | USD | 20251114 |
| Jinan Aochen Chem | China national standards | MT | 1058.35 | USD | 20251113 |
| Jinan Aochen Chem | China national standards | MT | 1058.83 | USD | 20251112 |