| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 1606.79 | USD | 20251018 |
| Shandong Yuxuan Chem | China national standards | MT | 1606.79 | USD | 20251017 |
| Shandong Yuxuan Chem | China national standards | MT | 1549.99 | USD | 20251016 |
| Shandong Yuxuan Chem | China national standards | MT | 1548.25 | USD | 20251011 |
| Shandong Yuxuan Chem | China national standards | MT | 1534.17 | USD | 20251010 |
| Shandong Yuxuan Chem | China national standards | MT | 1533.01 | USD | 20251009 |
| Shandong Yuxuan Chem | China national standards | MT | 1477.73 | USD | 20250930 |
| Shandong Yuxuan Chem | China national standards | MT | 1477.02 | USD | 20250929 |
| Shandong Yuxuan Chem | China national standards | MT | 1475.71 | USD | 20250927 |