| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251026 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251008 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250928 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250927 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250926 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |