| · Responsible minerals supply chain Policy 2022 | 2023/3/28 |
| · Due diligence report 2022 | 2023/3/28 |
| · DUE DELIGENCE REPORT | 2021/7/23 |
| · Purchase statement | 2021/2/20 |
| · RESPONSIBLE MINERAL SUPPLY CHAIN POLICY2020 | 2021/1/4 |
| · Due diligence report 2020 | 2021/1/2 |
| · Support EITI statement | 2021/1/2 |