| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1056.81 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1056.41 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1140.93 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1140.51 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1056.03 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1056.23 | USD | 20251013 |