| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1428.47 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 1428.47 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 1329.96 | USD | 20250930 |
| Shandong Jinling Chem | China national standards | MT | 1407.36 | USD | 20250930 |
| Xiamen Yudeshun Chem | China national standards | MT | 1548.1 | USD | 20250930 |
| Xiamen Yudeshun Chem | China national standards | MT | 1548.1 | USD | 20250930 |
| Xiamen Yudeshun Chem | China national standards | MT | 1674.76 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1477.02 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1477.02 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1477.02 | USD | 20250929 |