| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 720.4 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 706.27 | USD | 20251202 |
| Yankuang Guotai Chem | China national standards | MT | 833.4 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 762.78 | USD | 20251202 |
| Shandong Junfeng | China national standards | MT | 791.03 | USD | 20251202 |
| JIN Yimeng | China national standards | MT | 847.53 | USD | 20251202 |
| Jinan Angxin Chem | China national standards | MT | 748.65 | USD | 20251202 |
| Jiangsu Lianhai Bio | China national standards | MT | 748.65 | USD | 20251202 |
| JIN Yimeng | China national standards | MT | 805.15 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 854.59 | USD | 20251202 |