| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1251.27 | USD | 20250920 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1251.27 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1405.92 | USD | 20250919 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1082.56 | USD | 20250919 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.21 | USD | 20250918 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1406.77 | USD | 20250918 |