| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chem | China national standards | MT | 1506.02 | USD | 20251010 |
| Xiamen Yudeshun Chem | China national standards | MT | 1505.88 | USD | 20250930 |
| Xiamen Yudeshun Chem | China national standards | MT | 1505.83 | USD | 20250924 |
| Xiamen Yudeshun Chem | China national standards | MT | 1505.83 | USD | 20250923 |
| Xiamen Yudeshun Chem | China national standards | MT | 1504.8 | USD | 20250922 |
| Xiamen Yudeshun Chem | China national standards | MT | 1504.33 | USD | 20250919 |
| Xiamen Yudeshun Chem | China national standards | MT | 1504.33 | USD | 20250919 |