| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 173.11 | USD | 20251003 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 205.47 | USD | 20251003 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 173.11 | USD | 20251002 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 205.47 | USD | 20251002 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 205.47 | USD | 20251001 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 173.11 | USD | 20251001 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 173.11 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 205.47 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 205.38 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 173.02 | USD | 20250929 |