| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 689.09 | USD | 20250827 |
| Shandong Xingpeng Chem | China national standards | MT | 745.35 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 864.88 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 850.82 | USD | 20250827 |
| Shandong Jinwen Chem | China national standards | MT | 787.53 | USD | 20250827 |
| Shandong Yeyang Chem | China national standards | MT | 773.47 | USD | 20250827 |
| Shandong Yeyang Chem | China national standards | MT | 787.53 | USD | 20250827 |
| Shandong Yeyang Chem | China national standards | MT | 759.41 | USD | 20250827 |
| Nanjing Baitu Chem | China national standards | MT | 745.35 | USD | 20250827 |
| Nanjing Baitu Chem | China national standards | MT | 745.35 | USD | 20250827 |