| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1174.88 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 1595.68 | USD | 20251117 |
| JS Yangnong Chem | China national standards | MT | 854.33 | USD | 20251117 |
| Zibo Feiyuan Chem | China national standards | MT | 1553.32 | USD | 20251117 |
| Shandong Yeyang Chem | China national standards | MT | 1150.87 | USD | 20251117 |
| Shandong Jinshenrun Chem | China national standards | MT | 1581.56 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1186.17 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 1595.68 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 1059.08 | USD | 20251117 |
| Shandong Xima | China national standards | MT | 847.27 | USD | 20251117 |