| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1275.24 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1247.21 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1093.06 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1093.06 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1072.04 | USD | 20250819 |
| Shandong Fusheng | China national standards | MT | 1121.09 | USD | 20250819 |
| Shandong Fusheng | China national standards | MT | 1051.02 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 1016.52 | USD | 20250818 |
| Guangzhou Yisheng | China national standards | MT | 1261.88 | USD | 20250818 |
| Shandong Laya Chem | China national standards | MT | 995.49 | USD | 20250818 |