| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.61 | USD | 20251001 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.61 | USD | 20251001 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.61 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.61 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.61 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 688.67 | USD | 20250926 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 688.67 | USD | 20250926 |