| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Daze | China national standards | MT | 1125.76 | USD | 20250828 |
| Shandong Xima | China national standards | MT | 872.47 | USD | 20250828 |
| Shandong Qiangsen Chem | China national standards | MT | 886.54 | USD | 20250828 |
| Shandong Qiangsen Chem | China national standards | MT | 886.54 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 970.97 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 970.35 | USD | 20250827 |
| Shandong Xima | China national standards | MT | 871.91 | USD | 20250827 |
| Shandong Qiangsen Chem | China national standards | MT | 885.98 | USD | 20250827 |
| Shandong Qiangsen Chem | China national standards | MT | 885.98 | USD | 20250827 |
| Nanjing Daze | China national standards | MT | 1125.05 | USD | 20250827 |