| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 886.62 | USD | 20250915 |
| Shandong Jinwen Chem | China national standards | MT | 851.44 | USD | 20250915 |
| Shandong Jinwen Chem | China national standards | MT | 851.44 | USD | 20250915 |
| Shandong Laya Chem | China national standards | MT | 745.89 | USD | 20250915 |
| Shandong Fusheng | China national standards | MT | 788.11 | USD | 20250915 |
| Shandong Fusheng | China national standards | MT | 788.52 | USD | 20250913 |
| Zibo Lishuo Chem | China national standards | MT | 816.68 | USD | 20250913 |
| Zibo Lishuo Chem | China national standards | MT | 816.68 | USD | 20250913 |
| Zibo Lishuo Chem | China national standards | MT | 816.68 | USD | 20250913 |
| Zibo Lishuo Chem | China national standards | MT | 816.68 | USD | 20250913 |