| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 791.49 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 777.35 | USD | 20251210 |
| JIN Yimeng | China national standards | MT | 848.02 | USD | 20251210 |
| Yankuang Guotai Chem | China national standards | MT | 833.89 | USD | 20251210 |
| Aite Zhejiang | China national standards | MT | 706.68 | USD | 20251210 |
| Aite Zhejiang | China national standards | MT | 706.68 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 791.49 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 777.35 | USD | 20251210 |
| Shandong Jinwen Chem | China national standards | MT | 791.49 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 869.22 | USD | 20251210 |