| Vendor | Spec | Unit | Price | Currency | Date |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 1003.48 | USD | 20251203 |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 1002.91 | USD | 20251202 |