| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1055.62 | USD | 20251011 |
| Shandong Yihe Chem | China national standards | MT | 1477.87 | USD | 20251011 |
| Shandong Yihe Chem | China national standards | MT | 1477.87 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1171.04 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1171.04 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1182.3 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1171.04 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1171.04 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1168.22 | USD | 20251011 |
| JS Yangnong Chem | China national standards | MT | 851.54 | USD | 20251011 |