| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu | China national standards | MT | 302.57 | USD | 20250923 |
| Changzhou Yihan Chem | China national standards | MT | 394.05 | USD | 20250923 |
| Changzhou Yihan Chem | China national standards | MT | 394.05 | USD | 20250923 |
| Hebei Pengfa Chem | China national standards | MT | 341.98 | USD | 20250923 |
| Henan Longyu | China national standards | MT | 302.57 | USD | 20250923 |
| Shandong Shuojia Chem | China national standards | MT | 337.76 | USD | 20250923 |
| Shandong Shuojia Chem | China national standards | MT | 337.76 | USD | 20250923 |
| Yankuang Guotai Chem | China national standards | MT | 337.76 | USD | 20250923 |
| Shandong Shuojia Chem | China national standards | MT | 365.9 | USD | 20250923 |
| Yankuang Guotai Chem | China national standards | MT | 365.9 | USD | 20250923 |