| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Yuxuan Chem | China national standards | MT | 1005.23 | USD | 20250919 |
| Jinan Aochen Chem | China national standards | MT | 1307.5 | USD | 20250919 |
| Jinan Aochen Chem | China national standards | MT | 1307.5 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1005.23 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1005.23 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1005.23 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1005.23 | USD | 20250919 |
| Qingdao Shengze Chem | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1265.32 | USD | 20250919 |