| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 886.95 | USD | 20250829 |
| Shandong Jinwen Chem | China national standards | MT | 851.75 | USD | 20250829 |
| Shandong Jinwen Chem | China national standards | MT | 851.75 | USD | 20250829 |
| Shandong Laya Chem | China national standards | MT | 745.82 | USD | 20250828 |
| Shandong Laya Chem | China national standards | MT | 745.82 | USD | 20250828 |
| Changzhou Guoshun Chem | China national standards | MT | 1688.64 | USD | 20250828 |
| Changzhou Guoshun Chem | China national standards | MT | 1125.76 | USD | 20250828 |
| Shandong Fusheng | China national standards | MT | 788.03 | USD | 20250828 |
| Zibo Lishuo Chem | China national standards | MT | 816.18 | USD | 20250828 |
| Zibo Lishuo Chem | China national standards | MT | 816.18 | USD | 20250828 |