| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1294.63 | USD | 20250828 |
| Shandong Jinwen Chem | China national standards | MT | 1196.12 | USD | 20250828 |
| Shandong Xingpeng Chem | China national standards | MT | 1012.54 | USD | 20250827 |
| Zibo Lishuo Chem | China national standards | MT | 984.42 | USD | 20250827 |
| Zibo Lishuo Chem | China national standards | MT | 984.42 | USD | 20250827 |
| Zibo Lishuo Chem | China national standards | MT | 984.42 | USD | 20250827 |
| Zibo Lishuo Chem | China national standards | MT | 984.42 | USD | 20250827 |
| Zibo Lishuo Chem | China national standards | MT | 984.42 | USD | 20250827 |
| Shandong Xima | China national standards | MT | 970.35 | USD | 20250827 |
| Shandong Qiangsen Chem | China national standards | MT | 1040.67 | USD | 20250827 |