| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 1434.48 | USD | 20250922 |
| Jinan Dezheng Chem | China national standards | MT | 1434.48 | USD | 20250922 |
| Shandong Mingyu | China national standards | MT | 1870.45 | USD | 20250922 |
| Weifang Yixin Chem | China national standards | MT | 1757.94 | USD | 20250922 |
| Shandong Yuxuan Chem | China national standards | MT | 1687.62 | USD | 20250922 |
| Qingdao Shengze Chem | China national standards | MT | 1462.61 | USD | 20250922 |
| Qingdao Shengze Chem | China national standards | MT | 1462.61 | USD | 20250922 |
| Shandong Shuojia Chem | China national standards | MT | 1715.75 | USD | 20250922 |
| Shandong Shuojia Chem | China national standards | MT | 1715.75 | USD | 20250922 |
| Shandong Shuojia Chem | China national standards | MT | 1715.75 | USD | 20250922 |