| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 353.68 | USD | 20251211 |
| Shandong Yaoming Chem | China national standards | MT | 325.38 | USD | 20251211 |
| Changzhou Yihan Chem | China national standards | MT | 396.12 | USD | 20251211 |
| Chizhou Xinyu Chem | China national standards | MT | 438.56 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 389.04 | USD | 20251211 |
| Shandong Zhenkun | China national standards | MT | 396.12 | USD | 20251211 |
| Henan Longyu | China national standards | MT | 304.16 | USD | 20251211 |
| Shandong Hualu | China national standards | MT | 325.38 | USD | 20251211 |
| Changzhou Yihan Chem | China national standards | MT | 396.12 | USD | 20251211 |
| Shandong Yaoming Chem | China national standards | MT | 325.38 | USD | 20251211 |