| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 746.2 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 886.99 | USD | 20250916 |
| Shandong Jinwen Chem | China national standards | MT | 851.79 | USD | 20250916 |
| Shandong Jinwen Chem | China national standards | MT | 851.79 | USD | 20250916 |
| Shandong Huize Chem | China national standards | MT | 851.44 | USD | 20250915 |
| Zibo Lishuo Chem | China national standards | MT | 816.26 | USD | 20250915 |
| Zibo Lishuo Chem | China national standards | MT | 816.26 | USD | 20250915 |
| Zibo Lishuo Chem | China national standards | MT | 816.26 | USD | 20250915 |
| Zibo Lishuo Chem | China national standards | MT | 816.26 | USD | 20250915 |
| Zibo Lishuo Chem | China national standards | MT | 816.26 | USD | 20250915 |