| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | China national standards | MT | 840.82 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 791.77 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 791.77 | USD | 20250819 |
| Shandong Xingpeng Chem | China national standards | MT | 784.76 | USD | 20250819 |
| Zibo Lishuo Chem | China national standards | MT | 910.89 | USD | 20250819 |
| Zibo Lishuo Chem | China national standards | MT | 910.89 | USD | 20250819 |
| Zibo Lishuo Chem | China national standards | MT | 910.89 | USD | 20250819 |
| Zibo Lishuo Chem | China national standards | MT | 910.89 | USD | 20250819 |
| Zibo Lishuo Chem | China national standards | MT | 910.89 | USD | 20250819 |
| Shandong Xima | China national standards | MT | 742.72 | USD | 20250819 |