Longhorn, a private high-tech enterprise specialized in Home Security System, Automobile Electrons and Digital products ,was founded in 1995. We attach much importance to scientific research and development. We devote more than 20% of our annual gross earnings to our R&D programs every year, meanwhile we launch broad technology communication and cooperations actively with external force of research and developmen. We retained academician of CAS to join in ourselves’ independent scientific research and coorperated with some universities or research institutes on some projects and questions, such as Tsinghua University, Beihang University ,Nankai University etc. During last 10 years, many of our independent-developed products have obtained more than 200 patents and authentication certificates, Longhorn was also awarded time after time the honour of “Shenzhen H-tech Enterprise” and “Shenzhen H-tech Project”.