The mining of rare metals such as gold (AU), tantalum (TA), tin (SN) and tungsten (W) in the Democratic Republic of the Congo (DRC) and surrounding countries and regions has caused serious human rights and environmental problems. The sale of these minerals may provide financial support for the ongoing armed conflicts in these countries, leading to prolonged conflict and instability in the region, so they are called "conflict minerals". Our company attaches great importance to the issue of conflict minerals and does not source or use "conflict minerals" from the DRC and surrounding countries and regions.