| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 785.02 | USD | 20251022 |
| Jiangsu Lianhai Bio | China national standards | MT | 754.01 | USD | 20251022 |
| Yankuang Guotai Chem | China national standards | MT | 909.04 | USD | 20251022 |
| Yankuang Guotai Chem | China national standards | MT | 746.96 | USD | 20251022 |
| Shandong Yuanhe Chem | China national standards | MT | 916.09 | USD | 20251022 |
| Shandong Yuxuan Chem | China national standards | MT | 782.2 | USD | 20251022 |
| Shandong Yuanhe Chem | China national standards | MT | 909.04 | USD | 20251022 |
| Jinan Aochen Chem | China national standards | MT | 732.87 | USD | 20251022 |
| JIN Yimeng | China national standards | MT | 728.64 | USD | 20251022 |
| JIN Yimeng | China national standards | MT | 718.78 | USD | 20251022 |