| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1266.16 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1266.16 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1400.56 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1257.9 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1215.5 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1264.96 | USD | 20251210 |