| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 337.76 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 337.76 | USD | 20250925 |
| Yankuang Guotai Chem | China national standards | MT | 337.76 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 365.9 | USD | 20250925 |
| Yankuang Guotai Chem | China national standards | MT | 365.9 | USD | 20250925 |
| Shandong Hualu | China national standards | MT | 365.9 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 365.9 | USD | 20250925 |
| Shandong Hualu | China national standards | MT | 295.54 | USD | 20250925 |
| Suzhou Shangma Chem | China national standards | MT | 408.12 | USD | 20250925 |
| Yankuang Guotai Chem | China national standards | MT | 351.83 | USD | 20250925 |