| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 882.13 | USD | 20250812 |
| Shandong Jinwen Chem | China national standards | MT | 847.13 | USD | 20250812 |
| Shandong Jinwen Chem | China national standards | MT | 847.13 | USD | 20250812 |
| Shandong Laya Chem | China national standards | MT | 742.11 | USD | 20250812 |
| Zibo Lishuo Chem | China national standards | MT | 812.12 | USD | 20250812 |
| Zibo Lishuo Chem | China national standards | MT | 812.12 | USD | 20250812 |
| Zibo Lishuo Chem | China national standards | MT | 812.12 | USD | 20250812 |
| Zibo Lishuo Chem | China national standards | MT | 812.12 | USD | 20250812 |
| Zibo Lishuo Chem | China national standards | MT | 812.12 | USD | 20250812 |
| Zibo Lishuo Chem | China national standards | MT | 812.12 | USD | 20250812 |