| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 777.57 | USD | 20251204 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1002.91 | USD | 20251202 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251128 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1002.98 | USD | 20251128 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 988.76 | USD | 20251126 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1002.88 | USD | 20251126 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 988.34 | USD | 20251125 |