Hand in Hand Information Technology Co., Ltd., established on 2015-02-10, The scope of business includes intelligent transportation systems,surveillance system,Anti-theft alarm system,Smart card system,Building Automation System,Development of communication equipment,Sales,construction,repair;computer system integration;Computer hardware and software,metallic material,Fire equipment,building materials,elevator equipment,GPSProduct sales;Educational information software development;Online eBooks and Information Services;communication equipment,electronic communication equipment,Electronic communication terminal products,mobile phone,phone accessories,electrical sales;E-commerce platform construction;Sell Electronics Online,Computers and auxiliary equipment,crafts,Daily necessities,Stationery;Internet information online service;Advertising Design,make,acting,release;publication sales;Value-added telecom business operation.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)