| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Yushuo Chem | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Yushuo Chem | China national standards | MT | 773.25 | USD | 20250920 |
| Zibo Lishuo Chem | China national standards | MT | 815.43 | USD | 20250920 |
| Zibo Lishuo Chem | China national standards | MT | 815.43 | USD | 20250920 |
| Zibo Lishuo Chem | China national standards | MT | 815.43 | USD | 20250920 |
| Zibo Lishuo Chem | China national standards | MT | 815.43 | USD | 20250920 |
| Zibo Lishuo Chem | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 885.73 | USD | 20250920 |
| Shandong Jinwen Chem | China national standards | MT | 850.58 | USD | 20250920 |