| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 848.02 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 1060.03 | USD | 20251210 |
| Weifang Yixin Chem | China national standards | MT | 1717.24 | USD | 20251210 |
| Shandong Jinshenrun Chem | China national standards | MT | 1582.97 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 1512.3 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 1512.3 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 1512.3 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 1512.3 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1175.92 | USD | 20251210 |
| Shandong Yihe Chem | China national standards | MT | 1639.51 | USD | 20251210 |