| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 882.58 | USD | 20250809 |
| Shandong Qiangsen Chem | China national standards | MT | 882.58 | USD | 20250809 |
| Qingdao Shengze Chem | China national standards | MT | 966.63 | USD | 20250808 |
| Nanjing Daze | China national standards | MT | 1120.73 | USD | 20250808 |
| Shandong Xima | China national standards | MT | 868.57 | USD | 20250808 |
| Shandong Qiangsen Chem | China national standards | MT | 882.58 | USD | 20250808 |
| Shandong Qiangsen Chem | China national standards | MT | 882.58 | USD | 20250808 |
| Shandong Fusheng | China national standards | MT | 882.58 | USD | 20250808 |
| Shandong Fusheng | China national standards | MT | 1092.71 | USD | 20250808 |
| Qingdao Shengze Chem | China national standards | MT | 967.13 | USD | 20250807 |