| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1263.13 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1397.2 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1256.07 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1214.07 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1263.48 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1256.42 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1397.59 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1397.02 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1255.91 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1262.96 | USD | 20251106 |