| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20251001 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20251001 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1082.19 | USD | 20250928 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250926 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250926 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1082.19 | USD | 20250926 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250925 |