| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.88 | USD | 20250923 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250923 |
| Nanjing Runsheng Petrochemical Co., Ltd. | Industrial Grade | MT | 872.54 | USD | 20250923 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1548.05 | USD | 20250923 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250923 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 949.94 | USD | 20250923 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 795.14 | USD | 20250923 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 956.98 | USD | 20250923 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.25 | USD | 20250923 |