| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 816.17 | USD | 20250905 |
| Qingdao Shengze Chem | China national standards | MT | 816.17 | USD | 20250905 |
| Shandong Xingpeng Chem | China national standards | MT | 823.2 | USD | 20250905 |
| Zibo Lishuo Chem | China national standards | MT | 914.67 | USD | 20250905 |
| Zibo Lishuo Chem | China national standards | MT | 914.67 | USD | 20250905 |
| Zibo Lishuo Chem | China national standards | MT | 914.67 | USD | 20250905 |
| Shandong Xima | China national standards | MT | 745.81 | USD | 20250905 |
| Nanjing Baitu Chem | China national standards | MT | 844.31 | USD | 20250905 |
| Nanjing Baitu Chem | China national standards | MT | 844.31 | USD | 20250905 |
| Shandong Qiancheng | China national standards | MT | 844.45 | USD | 20250904 |