| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1072.31 | USD | 20251122 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1107.58 | USD | 20251121 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1107.12 | USD | 20251120 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1107.63 | USD | 20251119 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1107.88 | USD | 20251118 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1072.6 | USD | 20251118 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1072.6 | USD | 20251118 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |