| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1050.85 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 1134.91 | USD | 20250815 |
| Zibo Lishuo Chem | China national standards | MT | 840.68 | USD | 20250815 |
| Zibo Lishuo Chem | China national standards | MT | 840.68 | USD | 20250815 |
| Zibo Lishuo Chem | China national standards | MT | 840.68 | USD | 20250815 |
| Zibo Lishuo Chem | China national standards | MT | 840.68 | USD | 20250815 |
| Zibo Lishuo Chem | China national standards | MT | 840.68 | USD | 20250815 |
| Shandong Xima | China national standards | MT | 784.63 | USD | 20250815 |
| Shandong Qiangsen Chem | China national standards | MT | 812.65 | USD | 20250815 |
| Shandong Laya Chem | China national standards | MT | 784.63 | USD | 20250815 |