| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 367.58 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 353.44 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 381.72 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 360.51 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 360.51 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 353.44 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 360.51 | USD | 20251204 |
| Shandong Yihe Chem | China national standards | MT | 233.27 | USD | 20251204 |
| Luxi Chem | China national standards | MT | 240.34 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 233.27 | USD | 20251204 |