| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 998.8 | USD | 20250918 |
| Wuhan Hengjiu Chem | China national standards | MT | 886.26 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Hualu | China national standards | MT | 970.67 | USD | 20250918 |
| Zibo Dehe Chem | China national standards | MT | 1322.36 | USD | 20250918 |
| Jinan Angxin Chem | China national standards | MT | 984.74 | USD | 20250918 |
| Jinan Angxin Chem | China national standards | MT | 984.74 | USD | 20250918 |
| Jinan Angxin Chem | China national standards | MT | 984.74 | USD | 20250918 |
| Zibo Dehe Chem | China national standards | MT | 1012.87 | USD | 20250918 |
| Shandong Yihe Chem | China national standards | MT | 1266.09 | USD | 20250918 |