| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1134.71 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 1050.66 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 840.52 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 840.52 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 840.52 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 840.52 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 840.52 | USD | 20250820 |
| Shandong Xima | China national standards | MT | 784.49 | USD | 20250820 |
| Shandong Qiangsen Chem | China national standards | MT | 812.51 | USD | 20250820 |
| Shandong Laya Chem | China national standards | MT | 784.49 | USD | 20250820 |