| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 918.69 | USD | 20251210 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 918.55 | USD | 20251208 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 918.74 | USD | 20251205 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 918.95 | USD | 20251204 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 805.15 | USD | 20251202 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 805.55 | USD | 20251201 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 805.21 | USD | 20251128 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 805.13 | USD | 20251126 |