| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 365.54 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 365.54 | USD | 20250919 |
| Yankuang Guotai Chem | China national standards | MT | 337.42 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 337.42 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 337.42 | USD | 20250919 |
| Hebei Pengfa Chem | China national standards | MT | 341.64 | USD | 20250919 |
| Henan Longyu | China national standards | MT | 302.27 | USD | 20250919 |
| Shandong Hualu | China national standards | MT | 365.54 | USD | 20250919 |
| Shandong Jinshenrun Chem | China national standards | MT | 365.54 | USD | 20250919 |
| Henan Longyu | China national standards | MT | 344.45 | USD | 20250919 |