Ammi cars is a post-car market service under the banner of guangzhou asian-american information technology ltd. The project is aimed at leading, locking and fine-tuning the door shop through the autonomous development of saas systems (e. G., the giant car operator system), while providing the door shop service appointment management, maintenance alarms, etc. To the owner. First, the background and purpose of the project is that the post-car market has grown rapidly with the rapid increase in vehicle holdings and the increase in average vehicle life. Asian-american technology has seen this market opportunity and launched the car maintenance project, which aims to address the pains of car shop operations and the demand for car maintenance services from a wide range of car owners. The core composition of the project consists of nine core component modules, such as vehicle handling, voucher write-offs, online appointments, incident alerts, user management, staff management, marketing tools, inventory management and financial management, which together constitute a complete system of services for vehicle maintenance. Iii. Project characteristics and strengths. Big data enabling: the acquisition of mileage, trajectories, driving behaviour data, etc. Of vehicles through the obd smart box, and the in-depth excavation of these data provide a more sophisticated, comprehensive and practical method of managing the door shop. Saas support: the autonomous development of saas systems (the giant car operator system) can improve the efficiency of door shop management, shop maintenance, work efficiency and marketing efficiency. Wide-ranging doorshop coverage: the main shops that are now part of the cha ji-ji platform have been spread across several provinces and municipalities throughout the country, providing quality services to the owners. Categorization union policy: america science and technology has categorized all its outlets, such as the core vip flagship, core vip and common vip stores, and has developed different affiliation conditions, incentives and subsidy criteria. Project development america science and technology plans to build a large number of cars and automobiles throughout the country and works to promote the project through three "networks" of educational extension networks, service networks and resource networks, increasing the volume of data and enhancing user viscos, thereby rapidly seizing market shares. Based on the above, the américa car maintenance project is a post-vehicle market service project that collects large data capabilities, is supported by saas, has extensive door coverage and classification policies, and has significant market competitiveness and development prospects。