Nanjing Southern Digital Data Operation Research Institute Co., Ltd., established on 2019-04-30, Business scope includes big data technology,Research on standards and application models;Big Data Technology Development,technical consulting,Technology transfer and service;big data collection,save,analyze,application service;Information system integration;Data Storage and Storage Services;Computer software and hardware design,Research,production and sales;Smart City System Design;Smart city information consultation,design service;Network Information Security Technology Consulting;Internet information service;cloud computing service;Training Services for Adults(Does not include nationally recognized vocational certificate training);Computer System Services;software development,consult;Basic software service;Application software service;literary creation;Television planning;computer,Software and Auxiliary Equipment,electronic product,Communication equipment sales;Business Management Consulting;Expo Services;Corporate Image Planning;Enterprise Marketing Planning;marketing planning.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)