| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1175.82 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Jiangsu Haixing Chem | China national standards | MT | 1271.92 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 1512.18 | USD | 20251201 |
| Dongying Lianchem | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Qiangsen Chem | China national standards | MT | 1059.94 | USD | 20251201 |
| Xiamen Yudeshun Chem | China national standards | MT | 1512.18 | USD | 20251201 |
| Shandong Yeyang Chem | China national standards | MT | 1144.73 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1130.6 | USD | 20251201 |