| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1255.64 | USD | 20251031 |
| Shandong Langchem | China national standards | MT | 1396.73 | USD | 20251031 |
| Shandong Langchem | China national standards | MT | 1397.04 | USD | 20251030 |
| Shandong Langchem | China national standards | MT | 1255.93 | USD | 20251030 |
| Shandong Langchem | China national standards | MT | 1262.98 | USD | 20251030 |
| Shandong Langchem | China national standards | MT | 1213.59 | USD | 20251030 |
| Shandong Langchem | China national standards | MT | 1213.95 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1263.36 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1256.3 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1397.46 | USD | 20251029 |