| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1180.57 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1169.33 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1166.52 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1168.08 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1182.15 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 1182.15 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250924 |