| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.67 | USD | 20251021 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.67 | USD | 20251021 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.53 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.53 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.53 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.61 | USD | 20251017 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.61 | USD | 20251017 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.61 | USD | 20251017 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.54 | USD | 20251016 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.54 | USD | 20251016 |