| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 789.64 | USD | 20251023 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 775.54 | USD | 20251023 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 775.15 | USD | 20251022 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 788.02 | USD | 20250905 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 787.93 | USD | 20250901 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 773.86 | USD | 20250901 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 784.86 | USD | 20250813 |