| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1004.39 | USD | 20250821 |
| Shandong Laya Chem | China national standards | MT | 967.92 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 981.95 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 981.95 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 981.95 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 981.95 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 981.95 | USD | 20250821 |
| Shandong Xima | China national standards | MT | 967.92 | USD | 20250821 |
| Shandong Qiangsen Chem | China national standards | MT | 1038.06 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 1325.63 | USD | 20250821 |