| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1243.54 | USD | 20251013 |
| Shandong Aite Chem | China national standards | MT | 1154.82 | USD | 20251013 |
| Shandong Junfeng | China national standards | MT | 1126.65 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1242.82 | USD | 20251011 |
| Jinan Pulaihua Chem | China national standards | MT | 1196.37 | USD | 20251011 |
| Shandong Yeyang Chem | China national standards | MT | 1266.75 | USD | 20251011 |
| Shandong Junfeng | China national standards | MT | 1126.0 | USD | 20251011 |
| Shandong Aite Chem | China national standards | MT | 1154.15 | USD | 20251011 |
| Shandong Mingyu | China national standards | MT | 1126.0 | USD | 20251011 |
| Jinan Pulaihua Chem | China national standards | MT | 1196.37 | USD | 20251011 |