| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1146.85 | USD | 20250905 |
| Qingdao Shengze Chem | China national standards | MT | 1463.72 | USD | 20250904 |
| Qingdao Shengze Chem | China national standards | MT | 1463.72 | USD | 20250904 |
| Qingdao Shengze Chem | China national standards | MT | 1407.42 | USD | 20250904 |
| Qingdao Shengze Chem | China national standards | MT | 1407.42 | USD | 20250904 |
| Shandong Junfeng | China national standards | MT | 921.86 | USD | 20250904 |
| Shandong Junfeng | China national standards | MT | 914.82 | USD | 20250904 |
| Shandong Mengkanda Chem | China national standards | MT | 1076.68 | USD | 20250904 |
| Shandong Langchem | China national standards | MT | 1182.23 | USD | 20250904 |
| Dongying Lianchem | China national standards | MT | 1170.97 | USD | 20250904 |