| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 804.45 | USD | 20251110 |
| Shandong Yushuo Chem | China national standards | MT | 776.22 | USD | 20251110 |
| Jinan Jinrihe Chem | China national standards | MT | 691.54 | USD | 20251110 |
| Shandong Jinshenrun Chem | China national standards | MT | 705.66 | USD | 20251110 |
| Jinan Jinrihe Chem | China national standards | MT | 691.54 | USD | 20251110 |
| Shandong Shuojia Chem | China national standards | MT | 719.77 | USD | 20251110 |
| Zibo Qixiang Chem | China national standards | MT | 762.11 | USD | 20251110 |
| Jinan Aochen Chem | China national standards | MT | 733.88 | USD | 20251110 |
| Shandong QiFa Chem | China national standards | MT | 889.13 | USD | 20251110 |
| Baozhen Shandong Chem | China national standards | MT | 748.0 | USD | 20251110 |