| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Formosa Ningbo | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1055.52 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1139.96 | USD | 20250930 |
| Zibo Lishuo Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Zibo Lishuo Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Zibo Lishuo Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Zibo Lishuo Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Zibo Lishuo Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Xima | China national standards | MT | 788.12 | USD | 20250930 |