| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1174.21 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1174.21 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 1594.78 | USD | 20251118 |
| Shandong Yihe Chem | China national standards | MT | 1637.12 | USD | 20251118 |
| Xiamen Yudeshun Chem | China national standards | MT | 1510.11 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 1594.78 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1171.39 | USD | 20251118 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.48 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 1580.67 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 1594.78 | USD | 20251118 |