| Vendor | Spec | Unit | Price | Currency | Date |
| Formosa Ningbo | China national standards | MT | 885.73 | USD | 20250919 |
| Shandong Langchem | China national standards | MT | 1138.79 | USD | 20250919 |
| Shandong Langchem | China national standards | MT | 1054.44 | USD | 20250919 |
| Zibo Lishuo Chem | China national standards | MT | 843.55 | USD | 20250919 |
| Zibo Lishuo Chem | China national standards | MT | 843.55 | USD | 20250919 |
| Zibo Lishuo Chem | China national standards | MT | 843.55 | USD | 20250919 |
| Zibo Lishuo Chem | China national standards | MT | 843.55 | USD | 20250919 |
| Zibo Lishuo Chem | China national standards | MT | 843.55 | USD | 20250919 |
| Shandong Xima | China national standards | MT | 787.31 | USD | 20250919 |
| Shandong Qiangsen Chem | China national standards | MT | 815.43 | USD | 20250919 |