| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1171.39 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 1171.39 | USD | 20250916 |
| Jiangsu Haixing Chem | China national standards | MT | 1140.41 | USD | 20250916 |
| Dongying Lianchem | China national standards | MT | 1196.73 | USD | 20250916 |
| Qingdao Shengze Chem | China national standards | MT | 1463.63 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 1463.63 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 1463.63 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 1463.63 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 1463.63 | USD | 20250915 |
| Shandong Huize Chem | China national standards | MT | 1336.97 | USD | 20250915 |