| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1050.29 | USD | 20250806 |
| Shandong Langchem | China national standards | MT | 1134.31 | USD | 20250806 |
| Zibo Lishuo Chem | China national standards | MT | 840.23 | USD | 20250806 |
| Zibo Lishuo Chem | China national standards | MT | 840.23 | USD | 20250806 |
| Zibo Lishuo Chem | China national standards | MT | 840.23 | USD | 20250806 |
| Zibo Lishuo Chem | China national standards | MT | 840.23 | USD | 20250806 |
| Zibo Lishuo Chem | China national standards | MT | 840.23 | USD | 20250806 |
| Shandong Xima | China national standards | MT | 784.21 | USD | 20250806 |
| Shandong Qiangsen Chem | China national standards | MT | 812.22 | USD | 20250806 |
| Shandong Yeyang Chem | China national standards | MT | 812.22 | USD | 20250806 |