| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1110.3 | USD | 20250927 |
| Shandong Yuxuan Chem | China national standards | MT | 1756.8 | USD | 20250927 |
| Qingdao Chengxin Chem | China national standards | MT | 913.54 | USD | 20250926 |
| Jiangsu Haixing Chem | China national standards | MT | 1138.41 | USD | 20250926 |
| Dongying Lianchem | China national standards | MT | 1194.63 | USD | 20250926 |
| Shandong Huize Chem | China national standards | MT | 1335.17 | USD | 20250926 |
| Nantong Zhonghe Chem | China national standards | MT | 1784.91 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1169.33 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1169.33 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1180.57 | USD | 20250926 |