| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1477.1 | USD | 20250918 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1477.1 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 921.43 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.43 | USD | 20250918 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1688.12 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1463.04 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1463.04 | USD | 20250918 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.9 | USD | 20250918 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1828.8 | USD | 20250918 |