| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hebang Chem | China national standards | MT | 1351.03 | USD | 20250925 |
| Jinan Aochen Chem | China national standards | MT | 1308.81 | USD | 20250925 |
| Shandong Aite Chem | China national standards | MT | 1125.86 | USD | 20250925 |
| Qingdao Shengze Chem | China national standards | MT | 1463.61 | USD | 20250925 |
| Qingdao Shengze Chem | China national standards | MT | 1463.61 | USD | 20250925 |
| Jinan Jiaxing Chem | China national standards | MT | 1125.86 | USD | 20250925 |
| Jinan Jiaxing Chem | China national standards | MT | 985.12 | USD | 20250925 |
| Weifang Shuoxin Chem | China national standards | MT | 914.76 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1168.08 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250925 |