| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 742.72 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 742.72 | USD | 20251211 |
| Jinan Jinhao Chem | China national standards | MT | 749.79 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 735.65 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 735.65 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Zhongke Taihua | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Zhongke Taihua | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Zhongke Taihua | China national standards | MT | 946.96 | USD | 20251210 |