| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 702.96 | USD | 20250919 |
| Jiangsu Lianhai Bio | China national standards | MT | 731.52 | USD | 20250918 |
| Qingdao Chengxin Chem | China national standards | MT | 689.32 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 689.32 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 689.32 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 689.32 | USD | 20250918 |
| JIN Yimeng | China national standards | MT | 717.45 | USD | 20250918 |
| Shandong Huize Chem | China national standards | MT | 689.32 | USD | 20250918 |
| Jinan Pulaihua Chem | China national standards | MT | 914.4 | USD | 20250918 |
| Jinan Pulaihua Chem | China national standards | MT | 956.6 | USD | 20250918 |