| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.54 | USD | 20251016 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.45 | USD | 20251015 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.45 | USD | 20251015 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.45 | USD | 20251015 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.37 | USD | 20251014 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.37 | USD | 20251014 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.37 | USD | 20251014 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.41 | USD | 20251013 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.41 | USD | 20251013 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.41 | USD | 20251013 |