| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.59 | USD | 20250923 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 710.7 | USD | 20250923 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 745.88 | USD | 20250923 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 731.81 | USD | 20250923 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 759.95 | USD | 20250923 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 703.66 | USD | 20250923 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 745.88 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 851.43 | USD | 20250923 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 661.44 | USD | 20250923 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 633.29 | USD | 20250923 |