| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 745.97 | USD | 20251011 |
| Jinan Jinhao Chem | China national standards | MT | 774.12 | USD | 20251011 |
| Jinan Jinhao Chem | China national standards | MT | 774.12 | USD | 20251011 |
| Shandong Jinshenrun Chem | China national standards | MT | 774.12 | USD | 20251011 |
| Shandong Jinshenrun Chem | China national standards | MT | 774.12 | USD | 20251011 |
| Nantong Zhonghe Chem | China national standards | MT | 717.82 | USD | 20251011 |
| Shandong Laya Chem | China national standards | MT | 745.97 | USD | 20251011 |
| Shandong Shuojia Chem | China national standards | MT | 745.97 | USD | 20251011 |
| Shandong Shuojia Chem | China national standards | MT | 745.97 | USD | 20251011 |
| Shandong Shuojia Chem | China national standards | MT | 745.97 | USD | 20251011 |