| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1197.96 | USD | 20251022 |
| Shandong Junfeng | China national standards | MT | 923.13 | USD | 20251022 |
| Shandong Yuanhe Chem | China national standards | MT | 1268.43 | USD | 20251022 |
| Nantong Zhonghe Chem | China national standards | MT | 1789.89 | USD | 20251022 |
| Shandong Yushuo Chem | China national standards | MT | 1691.24 | USD | 20251022 |
| Shandong Yuxuan Chem | China national standards | MT | 1860.36 | USD | 20251022 |
| Weifang Yixin Chem | China national standards | MT | 1775.8 | USD | 20251022 |
| Shandong Yeyang Chem | China national standards | MT | 1148.63 | USD | 20251022 |
| Shandong Jinshenrun Chem | China national standards | MT | 1578.49 | USD | 20251022 |
| Shandong Mengkanda Chem | China national standards | MT | 1078.16 | USD | 20251022 |