| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1182.15 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1168.08 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1168.08 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 1182.15 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 1170.08 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1170.08 | USD | 20250922 |