| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1324.8 | USD | 20251022 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1324.45 | USD | 20251020 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1324.9 | USD | 20251018 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1324.04 | USD | 20251015 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1323.55 | USD | 20251014 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1323.05 | USD | 20251010 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.04 | USD | 20251009 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.92 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.92 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.29 | USD | 20250929 |