| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1639.37 | USD | 20251201 |
| Zibo Feiyuan Chem | China national standards | MT | 1554.57 | USD | 20251201 |
| Shandong Yihe Chem | China national standards | MT | 1639.37 | USD | 20251201 |
| Dongying Lianchem | China national standards | MT | 1175.82 | USD | 20251201 |
| Jiangsu Haixing Chem | China national standards | MT | 1271.92 | USD | 20251201 |
| Hunan JinyuChem | China national standards | MT | 1582.84 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 1512.18 | USD | 20251201 |
| Shandong Xima | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Qiangsen Chem | China national standards | MT | 1059.94 | USD | 20251201 |
| JS Yangnong Chem | China national standards | MT | 855.01 | USD | 20251201 |