| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 749.08 | USD | 20251210 |
| Jinan Aochen Chem | China national standards | MT | 734.95 | USD | 20251210 |
| Jinan Aochen Chem | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Yushuo Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Yushuo Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Jinshenrun Chem | China national standards | MT | 742.02 | USD | 20251210 |
| Nantong Zhonghe Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Huize Chem | China national standards | MT | 855.09 | USD | 20251210 |
| Shandong Laya Chem | China national standards | MT | 748.87 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 890.17 | USD | 20251209 |