| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1254.09 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1254.09 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Jinwen Chem | China national standards | MT | 1211.81 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1211.81 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1261.13 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1254.09 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1394.99 | USD | 20251016 |