| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 387.01 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 351.83 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 365.9 | USD | 20250923 |
| Hebei Chuangde Tech | China national standards | MT | 387.01 | USD | 20250923 |
| Yankuang Guotai Chem | China national standards | MT | 351.83 | USD | 20250923 |
| Chizhou Xinyu Chem | China national standards | MT | 408.12 | USD | 20250923 |
| Jiangsu SOPO | China national standards | MT | 351.83 | USD | 20250923 |
| Nanjing Baitu Chem | China national standards | MT | 351.83 | USD | 20250923 |
| Shanghai Huayi | China national standards | MT | 421.91 | USD | 20250922 |
| Henan Longyu | China national standards | MT | 302.37 | USD | 20250922 |