| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 988.2 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1143.02 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1058.35 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 987.79 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 987.29 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1057.81 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1142.44 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1142.7 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1058.05 | USD | 20251104 |