| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.99 | USD | 20251025 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.99 | USD | 20251024 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.52 | USD | 20251022 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.96 | USD | 20251021 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.18 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.61 | USD | 20251017 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1280.82 | USD | 20251010 |