48 hours. In principle, Beijing Aiyou Fund will give a reply within 48 hours after receiving the application review. Aiyou Charity Foundation is a non-profit legal entity established in accordance with the Regulations on Fund Management, mainly engaged in public welfare undertakings. Since the fourth quarter of 20 15, we have cooperated with Nanjing Children's Hospital to provide help for the treatment of children from families with congenital birth defects.