| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 792.19 | USD | 20250823 |
| Qingdao Shengze Chem | China national standards | MT | 792.19 | USD | 20250823 |
| Shandong Xingpeng Chem | China national standards | MT | 799.2 | USD | 20250823 |
| Zibo Lishuo Chem | China national standards | MT | 911.37 | USD | 20250823 |
| Zibo Lishuo Chem | China national standards | MT | 911.37 | USD | 20250823 |
| Zibo Lishuo Chem | China national standards | MT | 911.37 | USD | 20250823 |
| Zibo Lishuo Chem | China national standards | MT | 911.37 | USD | 20250823 |
| Zibo Lishuo Chem | China national standards | MT | 911.37 | USD | 20250823 |
| Shandong Xima | China national standards | MT | 743.12 | USD | 20250823 |
| Shandong Qiangsen Chem | China national standards | MT | 813.22 | USD | 20250823 |