| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251121 |
| Shandong Xima | China national standards | MT | 846.56 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1173.9 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1184.68 | USD | 20251120 |
| Shandong Qiangsen Chem | China national standards | MT | 1057.75 | USD | 20251120 |
| Xiamen Yudeshun Chem | China national standards | MT | 1509.06 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1173.4 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1173.4 | USD | 20251120 |