| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chem | China national standards | MT | 946.88 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 953.94 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 975.14 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 911.54 | USD | 20251201 |
| Xiamen Yudeshun Chem | China national standards | MT | 1681.76 | USD | 20251201 |
| Guangzhou Tianyue Chem | China national standards | MT | 1229.53 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 975.14 | USD | 20251201 |
| Zibo Dehe Chem | China national standards | MT | 961.01 | USD | 20251201 |
| Shandong Hualu | China national standards | MT | 911.54 | USD | 20251201 |
| Xiamen Yudeshun Chem | China national standards | MT | 1681.76 | USD | 20251201 |