| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1212.5 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1254.79 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1212.67 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1262.02 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1395.98 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1254.97 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1395.74 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1254.76 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1261.81 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1212.46 | USD | 20251021 |