| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.29 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1321.12 | USD | 20250928 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1321.12 | USD | 20250926 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.88 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.88 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.88 | USD | 20250924 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1321.97 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1321.56 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.36 | USD | 20250918 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.36 | USD | 20250918 |