In addition to BenQ, it also includes AUO (the world's top three LCD design and production companies), Castrol Technology, Dafang Electronics, Daxin Technology, Daxing Materials, Willimon Electronics, Ruiding Technology, Dahong Technology, BenQ Road Construction, Dayun Precision and BenQ Hospital. Group companies master key parts, share resources, coordinate with each other, integrate horizontally and divide vertically.
Among them, BenQ Dentsu spans 3C technology field and has a wide product portfolio. AU Optronics specializes in the research, development, manufacture and marketing of flat panel display modules, and mainly owns two production lines: plasma display (PDP) module and liquid crystal display (LCD) module. Dafang Electronics is committed to the research and development of professional communication and precision components. Its main products include keyboards, precision ceramic components and RF components for desktop computers and notebook computers. Marsh Technology mainly produces storage media and polarizing films. Ruiding Technology mainly provides LCD driver chips. BenQ focuses on providing enterprise information software, solutions, IT management consulting and training services. In 2007, the total turnover of BenQ AUO Group reached $23 billion.