| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 1054.44 | USD | 20250919 |
| Shandong Xima | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Qiangsen Chem | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Hualu | China national standards | MT | 998.2 | USD | 20250919 |
| Jinan Dezheng Chem | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Yuxuan Chem | China national standards | MT | 1005.23 | USD | 20250919 |
| Jinan Aochen Chem | China national standards | MT | 1307.5 | USD | 20250919 |
| Jinan Aochen Chem | China national standards | MT | 1307.5 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1005.23 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1005.23 | USD | 20250919 |