| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1651.24 | USD | 20251028 |
| Shandong Langchem | China national standards | MT | 1171.39 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1129.05 | USD | 20251028 |
| Qingdao Shengze Chem | China national standards | MT | 1651.24 | USD | 20251028 |
| Shandong Yuxuan Chem | China national standards | MT | 1862.93 | USD | 20251028 |
| Shandong Jinshenrun Chem | China national standards | MT | 1580.67 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1129.05 | USD | 20251028 |
| Xiamen Yudeshun Chem | China national standards | MT | 1510.11 | USD | 20251028 |
| Shandong Langchem | China national standards | MT | 1174.21 | USD | 20251028 |
| Shandong Yeyang Chem | China national standards | MT | 1150.22 | USD | 20251028 |