| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1079.37 | USD | 20251121 |
| Shandong Jinling Chem | China national standards | MT | 1128.75 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1396.83 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1262.79 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 1100.53 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 1255.73 | USD | 20251121 |
| Shandong Jinling Chem | China national standards | MT | 1128.75 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1255.73 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1213.4 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 1114.64 | USD | 20251121 |