| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1214.88 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1257.26 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1264.32 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1214.88 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1398.52 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1215.05 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1264.5 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1398.38 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1214.76 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1257.13 | USD | 20251126 |