| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haili Chem | China national standards | MT | 1756.8 | USD | 20250928 |
| Dongying Lianchem | China national standards | MT | 1194.63 | USD | 20250928 |
| Jiangsu Haixing Chem | China national standards | MT | 1138.41 | USD | 20250928 |
| Shandong Yihe Chem | China national standards | MT | 1110.3 | USD | 20250928 |
| Shandong Yihe Chem | China national standards | MT | 1124.35 | USD | 20250928 |
| JS Yangnong Chem | China national standards | MT | 850.29 | USD | 20250928 |
| Shandong Junfeng | China national standards | MT | 920.56 | USD | 20250928 |
| Shandong Junfeng | China national standards | MT | 913.54 | USD | 20250928 |
| Shandong Langchem | China national standards | MT | 1166.52 | USD | 20250928 |
| Shandong Langchem | China national standards | MT | 1180.57 | USD | 20250928 |