| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 205.92 | USD | 20251105 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 232.72 | USD | 20251105 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 232.83 | USD | 20251103 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 206.02 | USD | 20251103 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 205.98 | USD | 20251102 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 232.79 | USD | 20251102 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 232.79 | USD | 20251031 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 205.98 | USD | 20251031 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 232.84 | USD | 20251030 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 206.03 | USD | 20251030 |