| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Youlixin Chem | China national standards | MT | 1102.41 | USD | 20251203 |
| Jiangsu Youlixin Chem | China national standards | MT | 1102.33 | USD | 20251201 |
| Jiangsu Youlixin Chem | China national standards | MT | 1101.87 | USD | 20251128 |
| Jiangsu Youlixin Chem | China national standards | MT | 1100.82 | USD | 20251110 |
| Jiangsu Youlixin Chem | China national standards | MT | 1099.86 | USD | 20251023 |
| Jiangsu Youlixin Chem | China national standards | MT | 1099.01 | USD | 20251020 |
| Jiangsu Youlixin Chem | China national standards | MT | 1097.6 | USD | 20250905 |