| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1170.58 | USD | 20251120 |
| Zibo Feiyuan Chem | China national standards | MT | 1551.37 | USD | 20251120 |
| Jinan Jinrihe Chem | China national standards | MT | 1692.41 | USD | 20251120 |
| Shandong Junfeng | China national standards | MT | 916.72 | USD | 20251120 |
| Shandong Yeyang Chem | China national standards | MT | 1149.43 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 1311.61 | USD | 20251120 |
| Jinan Jiaxing Chem | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Yihe Chem | China national standards | MT | 1635.99 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1173.4 | USD | 20251120 |
| Shandong Yaoming Chem | China national standards | MT | 1078.91 | USD | 20251120 |