| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chem | China national standards | MT | 1125.08 | USD | 20250922 |
| Formosa Ningbo | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1139.14 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1054.76 | USD | 20250922 |
| Zibo Lishuo Chem | China national standards | MT | 843.81 | USD | 20250922 |
| Zibo Lishuo Chem | China national standards | MT | 843.81 | USD | 20250922 |
| Zibo Lishuo Chem | China national standards | MT | 843.81 | USD | 20250922 |
| Zibo Lishuo Chem | China national standards | MT | 843.81 | USD | 20250922 |
| Zibo Lishuo Chem | China national standards | MT | 843.81 | USD | 20250922 |
| Shandong Xima | China national standards | MT | 787.56 | USD | 20250922 |