| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 972.79 | USD | 20251021 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 972.2 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 972.53 | USD | 20251017 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 972.27 | USD | 20251016 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 971.9 | USD | 20251015 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 971.74 | USD | 20251013 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 971.17 | USD | 20251011 |