| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 1126.0 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1242.82 | USD | 20251010 |
| Shandong Yeyang Chem | China national standards | MT | 1266.75 | USD | 20251010 |
| Shandong Mingyu | China national standards | MT | 1126.0 | USD | 20251010 |
| Shandong Aite Chem | China national standards | MT | 1154.15 | USD | 20251010 |
| Shandong Aite Chem | China national standards | MT | 1153.27 | USD | 20251009 |
| Shandong Mingyu | China national standards | MT | 1125.14 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1241.88 | USD | 20251009 |
| Shandong Aite Chem | China national standards | MT | 1153.27 | USD | 20251009 |
| Shandong Junfeng | China national standards | MT | 1125.14 | USD | 20251009 |