| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1256.62 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1263.68 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1214.26 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1214.26 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1263.68 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1256.62 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1397.81 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1213.58 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1255.91 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1262.96 | USD | 20251113 |