| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Zhiheng | China national standards | MT | 805.39 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1243.41 | USD | 20251209 |
| Sinopec | China national standards | MT | 777.13 | USD | 20251209 |
| Wanhua Chem | China national standards | MT | 1073.86 | USD | 20251209 |
| Wanhua Chem | China national standards | MT | 1045.6 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1201.02 | USD | 20251209 |
| Wanhua Yantai | China national standards | MT | 897.23 | USD | 20251209 |
| Aite Zhejiang | China national standards | MT | 883.11 | USD | 20251209 |
| Xiamen Yudeshun Chem | China national standards | MT | 1130.37 | USD | 20251209 |