| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 438.14 | USD | 20251203 |
| Jiangsu Youlixin Chemical Co., Ltd. | 90% | MT | 551.21 | USD | 20251203 |
| Jiangsu Youlixin Chemical Co., Ltd. | 90% | MT | 551.17 | USD | 20251201 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 438.11 | USD | 20251201 |
| Jiangsu Youlixin Chemical Co., Ltd. | 90% | MT | 551.17 | USD | 20251201 |
| Jiangsu Youlixin Chemical Co., Ltd. | 90% | MT | 550.93 | USD | 20251128 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 437.92 | USD | 20251128 |
| Jiangsu Youlixin Chemical Co., Ltd. | 90% | MT | 550.41 | USD | 20251110 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 437.51 | USD | 20251110 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 437.12 | USD | 20251023 |