| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1169.72 | USD | 20250920 |
| Shandong Xima | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Xima | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Qiangsen Chem | China national standards | MT | 1054.44 | USD | 20250920 |
| JS Yangnong Chem | China national standards | MT | 850.58 | USD | 20250920 |
| Shandong Junfeng | China national standards | MT | 920.88 | USD | 20250920 |
| Shandong Junfeng | China national standards | MT | 913.85 | USD | 20250920 |
| Shandong Yeyang Chem | China national standards | MT | 1138.79 | USD | 20250920 |
| Shandong Yeyang Chem | China national standards | MT | 1145.82 | USD | 20250920 |
| Hunan JinyuChem | China national standards | MT | 1687.1 | USD | 20250919 |