The mining of rare metals such as cobalt (Co), gold (Au), palladium (Pd), tantalum (Ta), tin (Sn) and tungsten (W) in the Democratic Republic of the Congo and its surrounding countries and regions has caused serious human rights and Environmental issues, known as "conflict minerals", and these metals may be used in information and communication technology products. Based on the practice of corporate social responsibility and international justice, and in response to the financial reform bill passed by the U.S. Congress (Dodd-Frank Act of 2010, H.R. 4173), Rihe and the company have incorporated the ban on "conflict minerals" into the supplier management policy, and cooperated with us Customers act together to ensure that the products of Riihe Co., Ltd. do not use the above-mentioned "conflict minerals".