| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Laya Chem | China national standards | MT | 994.97 | USD | 20250819 |
| Shandong Jinwen Chem | China national standards | MT | 1037.01 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1100.07 | USD | 20250819 |
| 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 |