| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 763.1 | USD | 20251208 |
| Shandong Yeyang Chem | China national standards | MT | 791.36 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 869.09 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 854.95 | USD | 20251208 |
| JIN Yimeng | China national standards | MT | 706.57 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 706.57 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 706.57 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 751.79 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 751.79 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 734.84 | USD | 20251208 |