Mainly used for office and business activities, according to a query to the official website of SkyEye. Hongrui Building is a high-rise building in Nanjing that provides office space and facilities to meet the office needs of companies and organizations. The building features a modern office environment and supporting facilities, meeting rooms, business center, and food and beverage services to provide tenants with convenient office conditions. The purpose of Hong Rui Building is mainly to provide office space for all kinds of enterprises, organizations and professional services to promote business activities and economic development.