| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1253.4 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1260.44 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1211.15 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1394.23 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1210.45 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1252.67 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1259.71 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1393.42 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1259.71 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1252.67 | USD | 20251010 |