| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1174.54 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1171.72 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1171.24 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1185.35 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1174.06 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1174.06 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1174.06 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1173.47 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1173.47 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1184.75 | USD | 20251105 |