| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 875.84 | USD | 20251130 |
| Qingdao Shengze Chem | China national standards | MT | 868.78 | USD | 20251129 |
| Shandong Yuxuan Chem | China national standards | MT | 967.66 | USD | 20251129 |
| Shandong Jinwen Chem | China national standards | MT | 1045.36 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1271.38 | USD | 20251129 |
| Shandong Laya Chem | China national standards | MT | 1002.98 | USD | 20251129 |
| Shandong Jinshenrun Chem | China national standards | MT | 889.97 | USD | 20251129 |
| Shandong Xima | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Yaoming Chem | China national standards | MT | 819.34 | USD | 20251129 |
| Aite Zhejiang | China national standards | MT | 1073.61 | USD | 20251129 |