| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.64 | USD | 20250925 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.64 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.64 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1252.52 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250925 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1407.32 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.64 | USD | 20250924 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.64 | USD | 20250924 |