| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1464.19 | USD | 20250908 |
| Qingdao Shengze Chem | China national standards | MT | 1464.19 | USD | 20250908 |
| Dongying Lianchem | China national standards | MT | 1196.69 | USD | 20250908 |
| Jiangsu Haixing Chem | China national standards | MT | 1140.38 | USD | 20250908 |
| Dongying Lianchem | China national standards | MT | 1196.69 | USD | 20250908 |
| Jiangsu Haixing Chem | China national standards | MT | 1140.38 | USD | 20250908 |
| Shandong Mengkanda Chem | China national standards | MT | 1077.02 | USD | 20250908 |
| Shandong Mengkanda Chem | China national standards | MT | 1077.02 | USD | 20250908 |
| Shandong Langchem | China national standards | MT | 1168.54 | USD | 20250908 |
| Shandong Langchem | China national standards | MT | 1171.35 | USD | 20250908 |