| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250925 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.38 | USD | 20250925 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.38 | USD | 20250925 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.38 | USD | 20250925 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1238.44 | USD | 20250925 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1020.31 | USD | 20250925 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1203.26 | USD | 20250925 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |