| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1175.74 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 1512.07 | USD | 20251208 |
| Shandong Yuxuan Chem | China national standards | MT | 1822.96 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 1512.07 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 1512.07 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 1554.46 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1271.83 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 1568.59 | USD | 20251208 |
| Jinan Qi Mat | China national standards | MT | 1526.2 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 1568.59 | USD | 20251208 |