| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1308.81 | USD | 20250925 |
| Jinan Aochen Chem | China national standards | MT | 1308.81 | USD | 20250925 |
| Shandong Aite Chem | China national standards | MT | 1266.59 | USD | 20250925 |
| Qingdao Shengze Chem | China national standards | MT | 971.05 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1104.75 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1280.66 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1252.52 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1097.71 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1097.71 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1076.6 | USD | 20250925 |