| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 1006.26 | USD | 20250930 |
| Shandong Yuxuan Chem | China national standards | MT | 1005.78 | USD | 20250929 |
| Shandong Yuxuan Chem | China national standards | MT | 1004.89 | USD | 20250928 |
| Shandong Yuxuan Chem | China national standards | MT | 1004.89 | USD | 20250927 |
| Shandong Yuxuan Chem | China national standards | MT | 1004.89 | USD | 20250926 |
| Shandong Yuxuan Chem | China national standards | MT | 1006.23 | USD | 20250925 |
| Shandong Yuxuan Chem | China national standards | MT | 1006.23 | USD | 20250924 |
| Shandong Yuxuan Chem | China national standards | MT | 1006.23 | USD | 20250923 |
| Shandong Yuxuan Chem | China national standards | MT | 1005.54 | USD | 20250922 |
| Shandong Yuxuan Chem | China national standards | MT | 1005.23 | USD | 20250919 |