| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hebang Chem | China national standards | MT | 1356.45 | USD | 20251209 |
| Shandong Mengkanda Chem | China national standards | MT | 1080.92 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1172.76 | USD | 20251209 |
| JS Yangnong Chem | China national standards | MT | 854.85 | USD | 20251209 |
| Dongying Lianchem | China national standards | MT | 1201.02 | USD | 20251209 |
| Aite Zhejiang | China national standards | MT | 1271.67 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1186.89 | USD | 20251209 |
| Shandong Junfeng | China national standards | MT | 918.43 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1271.67 | USD | 20251209 |
| Shandong Yaoming Chem | China national standards | MT | 1080.92 | USD | 20251209 |