| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1013.19 | USD | 20250828 |
| Shandong Laya Chem | China national standards | MT | 999.11 | USD | 20250828 |
| Shandong Laya Chem | China national standards | MT | 999.11 | USD | 20250828 |
| Shandong Fusheng | China national standards | MT | 1055.4 | USD | 20250828 |
| Shandong Fusheng | China national standards | MT | 1125.76 | USD | 20250828 |
| Shandong Langchem | China national standards | MT | 1252.41 | USD | 20250828 |
| Shandong Langchem | China national standards | MT | 1076.51 | USD | 20250828 |
| Shandong Langchem | China national standards | MT | 1097.62 | USD | 20250828 |
| Shandong Langchem | China national standards | MT | 1097.62 | USD | 20250828 |
| Shandong Jinwen Chem | China national standards | MT | 1041.33 | USD | 20250828 |