| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 777.13 | USD | 20251209 |
| Shandong Junfeng | China national standards | MT | 791.26 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 854.85 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 868.98 | USD | 20251209 |
| Shandong Jinwen Chem | China national standards | MT | 791.26 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 706.48 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 706.48 | USD | 20251209 |
| JIN Yimeng | China national standards | MT | 706.48 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 751.7 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 751.7 | USD | 20251209 |