The registration address of xian xianxi electronics technology ltd. Is located at unit 1, 1st floor, 4th floor, 4th floor of the dragon zone of tianlong city, east side, 2nd rim, xian city, xianxi province. The registration authority is the market supervision authority of the goyuta district, xian city. The legal entity is represented by xu xian military and operates on behalf of the xu xing army, including the sale, installation, technical advice, after-sale services of equipment for the smart brushing card system; the development, sale, technical advice, technical services for computer software and hardware and consumables; intelligent homes, office supplies, the development, sale, technical advice, technical services for a cartoon product; the integration of computer systems, network integration; the security control system, the licence plate identification system, the design, construction and equipment sale of the building smart control system; electronic products (except for exclusive control), digital products, five gold tubes, the sale of 100 goods, transport facilities and energy-saving equipment on a daily basis. (projects subject to legal approval are not allowed to operate without the approval of the relevant department