| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1109.56 | USD | 20251205 |
| Shandong Xima | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 869.27 | USD | 20251205 |
| Shandong Jinwen Chem | China national standards | MT | 1045.95 | USD | 20251205 |
| Shandong Yihe Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1130.76 | USD | 20251205 |
| Liaocheng Yuanze Chem | China national standards | MT | 876.34 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 890.47 | USD | 20251205 |