| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1636.68 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1173.9 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251121 |
| Xiamen Yudeshun Chem | China national standards | MT | 1509.7 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1173.9 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 1128.75 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1185.19 | USD | 20251121 |
| Shandong Shuojia Chem | China national standards | MT | 1566.14 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 1128.75 | USD | 20251121 |
| Shandong Jinshenrun Chem | China national standards | MT | 1580.25 | USD | 20251121 |