| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20251007 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20251005 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20251004 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20251003 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20251002 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20251001 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250928 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250927 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250926 |