| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1056.23 | USD | 20251013 |
| Shandong Junfeng | China national standards | MT | 929.49 | USD | 20251013 |
| Shandong Laya Chem | China national standards | MT | 971.74 | USD | 20251013 |
| Shandong Jinwen Chem | China national standards | MT | 1211.15 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1253.4 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1260.44 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1211.15 | USD | 20251013 |
| Shandong Zhiheng | China national standards | MT | 1330.85 | USD | 20251013 |
| Shandong Zhiheng | China national standards | MT | 1408.31 | USD | 20251013 |
| Shandong Yeyang Chem | China national standards | MT | 1253.4 | USD | 20251013 |