| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 988.34 | USD | 20251125 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 988.04 | USD | 20251124 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1002.16 | USD | 20251124 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1001.76 | USD | 20251122 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251122 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1001.81 | USD | 20251119 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 987.7 | USD | 20251119 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1002.03 | USD | 20251118 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251118 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1002.6 | USD | 20251117 |