Blue card technology with 40 patents and 44 software copyrights. Global electronic patrols were successfully led from exposure to sensory techniques; parking systems were successfully led from “carded” to “carnetless” licence plate recognition techniques; and parking orientation systems were successfully led from “supersound” to “ai video”. The technology of leading licence plates to identify the unmanned parking lot in ai is under way. Currently, we are working on the development of software for the ai cloud large management platform, which will comprehensively upgrade the management of smart cities, smart businesses, intelligent communities, smart parks, large property groups and large garage operators. The blue card lcd high-speed identification gate-coded one-stop machine, which enables both dynamic sweeps and advertising, with 0. 6 seconds of high-speed traffic. The blueca ai unmanned garage system, through which licence plates, signs, colours, etc. Are identified, ensures that no one is on duty. The blueca ai high-clean video location orientation system, through which the face of the car, the licence plate and the spaces are identified under various light conditions. The blue card carnet series of products have been distributed nationwide and overseas, with a cumulative total of over 7,000 cases and over 20,000 road lanes. The blue card technology has now become a designated partner for large business centres and real estate companies, such as the ali baba, the ocean estate, and the central rock group. (a) the lanka garage management system has successfully served shanghai world trade center, shanghai new zone, fujian china chunjian, huanglong china square, yizhou city of china, tianhuang city of china, hong kong city of china, tianxiang city of china, hong kong city of china, hong kong city of china, hong kong city of china, hong kong city of china, hong kong city of china; the system has been used for the construction of several intelligent cities, such as shanghai, kaguang guan, and yuang xin。