| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 710.92 | USD | 20251210 |
| JIN Yimeng | China national standards | MT | 710.92 | USD | 20251210 |
| Shandong Mingyu | China national standards | MT | 812.69 | USD | 20251210 |
| JIN Yimeng | China national standards | MT | 805.62 | USD | 20251210 |
| Liao Jinxinda | China national standards | MT | 657.22 | USD | 20251210 |
| Yankuang Guotai Chem | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Yuxuan Chem | China national standards | MT | 770.29 | USD | 20251210 |
| Jiangsu Lianhai Bio | China national standards | MT | 742.02 | USD | 20251210 |
| Nantong Zhonghe Chem | China national standards | MT | 692.55 | USD | 20251210 |
| Nantong Zhonghe Chem | China national standards | MT | 706.68 | USD | 20251210 |