| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 812.79 | USD | 20250819 |
| Shandong Yeyang Chem | China national standards | MT | 770.75 | USD | 20250819 |
| Shandong Laya Chem | China national standards | MT | 784.76 | USD | 20250819 |
| Jiangsu Huachang Chem | China national standards | MT | 2144.09 | USD | 20250819 |
| Shandong Junfeng | China national standards | MT | 2144.09 | USD | 20250819 |
| Shandong Junfeng | China national standards | MT | 2172.12 | USD | 20250819 |
| Shandong Junfeng | China national standards | MT | 2144.09 | USD | 20250819 |
| Shandong Qiancheng | China national standards | MT | 841.26 | USD | 20250818 |
| Qingdao Shengze Chem | China national standards | MT | 820.22 | USD | 20250818 |
| Qingdao Shengze Chem | China national standards | MT | 820.22 | USD | 20250818 |