| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 393.77 | USD | 20250903 |
| Shandong Langchem | China national standards | MT | 386.74 | USD | 20250903 |
| Shandong Langchem | China national standards | MT | 365.64 | USD | 20250903 |
| Hebei Chuangde Tech | China national standards | MT | 386.74 | USD | 20250903 |
| Yankuang Guotai Chem | China national standards | MT | 337.6 | USD | 20250902 |
| Hebei Chuangde Tech | China national standards | MT | 386.84 | USD | 20250902 |
| Shandong Langchem | China national standards | MT | 365.74 | USD | 20250902 |
| Shandong Langchem | China national standards | MT | 386.84 | USD | 20250902 |
| Shandong Langchem | China national standards | MT | 393.87 | USD | 20250902 |
| Chizhou Xinyu Chem | China national standards | MT | 386.84 | USD | 20250902 |