| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.68 | USD | 20251024 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.68 | USD | 20251024 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.68 | USD | 20251024 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.71 | USD | 20251023 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.71 | USD | 20251023 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.71 | USD | 20251023 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.59 | USD | 20251022 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.59 | USD | 20251022 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.59 | USD | 20251022 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.67 | USD | 20251021 |