Defeng Solife Holdings Limited, an investment holding company, operates as an integrated exhibition and event management company in the People's Republic of China. The company operates through Exhibition and Event Related Business; Advertising Related Business; and E-commerce Business segments. It designs, plans, coordinates, and manages exhibitions and events, covering theme, stage and venue design, planning, feasibility studies, procurement of construction materials, and equipment; and conducts liaison with suppliers and/or personnel for the construction of backdrops, stages, and exhibition booths. The company also installs audio, visual, and lighting equipment and facilities; and offers on-site supervision services. Additionally, it organizes product showcases, promotions, and sales campaigns for automobile brands. In addition, the company serves communication technology and automobile companies, as well as promotional, commercial, and private events. The company was formerly known as Dowway Holdings Limited and changed its name to Defeng Solife Holdings Limited in March 2026. The company was founded in 2002 and is headquartered in Beijing, the People's Republic of China.