| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 604.73 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 520.35 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 604.73 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 745.37 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 604.73 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250920 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 520.19 | USD | 20250920 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 604.54 | USD | 20250920 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 520.19 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 604.54 | USD | 20250919 |