| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 788.1 | USD | 20250924 |
| Shandong Yeyang Chem | China national standards | MT | 774.03 | USD | 20250924 |
| Shandong Jinwen Chem | China national standards | MT | 788.1 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 865.5 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 851.43 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 703.66 | USD | 20250924 |
| Shandong Zhiheng | China national standards | MT | 703.66 | USD | 20250924 |
| Yankuang Guotai Chem | China national standards | MT | 774.03 | USD | 20250923 |
| Jiangsu Lianhai Bio | China national standards | MT | 731.81 | USD | 20250923 |
| Shandong Yuanhe Chem | China national standards | MT | 928.83 | USD | 20250923 |