| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 816.26 | USD | 20250915 |
| Shandong Qiancheng | China national standards | MT | 844.4 | USD | 20250915 |
| Zibo Lishuo Chem | China national standards | MT | 914.77 | USD | 20250915 |
| Zibo Lishuo Chem | China national standards | MT | 914.77 | USD | 20250915 |
| Zibo Lishuo Chem | China national standards | MT | 914.77 | USD | 20250915 |
| Zibo Lishuo Chem | China national standards | MT | 914.77 | USD | 20250915 |
| Zibo Lishuo Chem | China national standards | MT | 914.77 | USD | 20250915 |
| Shandong Xima | China national standards | MT | 745.89 | USD | 20250915 |