| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Jiangsu Yingte Chem | China national standards | MT | 1356.91 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 1144.89 | USD | 20251205 |
| Jinan Jiaxing Chem | China national standards | MT | 1130.76 | USD | 20251205 |
| Hunan Qilu Tech | China national standards | MT | 1653.73 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1175.99 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 1152.22 | USD | 20251204 |
| Shandong Yuanhe Chem | China national standards | MT | 1272.39 | USD | 20251204 |
| Jiangsu Haixing Chem | China national standards | MT | 1272.39 | USD | 20251204 |