| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 1092.68 | USD | 20250820 |
| Nanjing Daze | China national standards | MT | 1120.7 | USD | 20250820 |
| Qingdao Shengze Chem | China national standards | MT | 966.94 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Xima | China national standards | MT | 868.85 | USD | 20250819 |
| Shandong Qiangsen Chem | China national standards | MT | 882.86 | USD | 20250819 |
| Shandong Qiangsen Chem | China national standards | MT | 882.86 | USD | 20250819 |
| Shandong Fusheng | China national standards | MT | 1093.06 | USD | 20250819 |
| Shandong Fusheng | China national standards | MT | 882.86 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 967.44 | USD | 20250818 |