| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1262.93 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1255.87 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1396.98 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1396.73 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1262.7 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1255.64 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1213.32 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1213.32 | USD | 20251031 |
| Shandong Langchem | China national standards | MT | 1262.7 | USD | 20251031 |
| Shandong Langchem | China national standards | MT | 1255.64 | USD | 20251031 |