| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1172.67 | USD | 20251017 |
| Shandong Langchem | China national standards | MT | 1172.67 | USD | 20251017 |
| Shandong Langchem | China national standards | MT | 1172.36 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1172.36 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1172.36 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1183.63 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1172.36 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1169.54 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1183.18 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1171.91 | USD | 20251015 |