| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 367.82 | USD | 20251211 |
| Henan Longyu | China national standards | MT | 304.16 | USD | 20251211 |
| Changzhou Yihan Chem | China national standards | MT | 396.12 | USD | 20251211 |
| Hebei Chuangde Tech | China national standards | MT | 389.04 | USD | 20251211 |
| Hebei Chuangde Tech | China national standards | MT | 389.04 | USD | 20251211 |
| Shandong Zhenkun | China national standards | MT | 424.41 | USD | 20251211 |
| Shandong Zhenkun | China national standards | MT | 396.12 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 353.68 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 367.82 | USD | 20251211 |
| Henan Longyu | China national standards | MT | 304.16 | USD | 20251211 |