| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 991.77 | USD | 20250918 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 998.8 | USD | 20250918 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1153.55 | USD | 20250918 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1153.55 | USD | 20250918 |