| Vendor | Spec | Unit | Price | Currency | Date |
| JIN Yimeng | China national standards | MT | 697.45 | USD | 20251211 |
| Jiangsu Lianhai Bio | China national standards | MT | 742.72 | USD | 20251211 |
| Yankuang Guotai Chem | China national standards | MT | 769.6 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 706.68 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 763.22 | USD | 20251210 |
| 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 |