| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1397.2 | USD | 20251028 |
| Shandong Langchem | China national standards | MT | 1256.07 | USD | 20251028 |
| Shandong Langchem | China national standards | MT | 1263.13 | USD | 20251028 |
| Shandong Langchem | China national standards | MT | 1213.73 | USD | 20251028 |
| Shandong Langchem | China national standards | MT | 1213.3 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1262.68 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1255.63 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1396.71 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1395.78 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1261.84 | USD | 20251024 |