| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1184.75 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1170.65 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1170.91 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1173.73 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1173.73 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1185.02 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1173.73 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1174.03 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1185.32 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1174.03 | USD | 20251103 |