| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 960.1 | USD | 20251125 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 959.81 | USD | 20251124 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 959.44 | USD | 20251122 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 959.48 | USD | 20251119 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 959.69 | USD | 20251118 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 960.23 | USD | 20251117 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 960.11 | USD | 20251114 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 960.0 | USD | 20251112 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 959.69 | USD | 20251110 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 959.96 | USD | 20251107 |