| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1185.08 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1173.8 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1173.02 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1173.02 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1173.02 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1170.2 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1173.02 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1184.3 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1173.19 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1173.19 | USD | 20251023 |