| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20251001 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20251001 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.67 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.67 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.67 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250926 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250926 |