The registration address of nanjing hill safety technology ltd is located at 18th floor e, 7th floor, west road, nanjing city drum building, with the registration authority being the office of the administration of political affairs, nanjing city drum building, with legal representatives liu xuyun, operating in the areas of information security technology, network technology development, technology promotion, technology transfer; computer software and hardware development and sales; sale of electronic equipment, security products, office supplies; conference services; integration of electronic computer systems; network system engineering, computer network and building automation engineering, security engineering, construction; conference services; interior decoration engineering design; sale of mechanical and electrical equipment, medical equipment; network integrated cable engineering; design, maintenance, maintenance of mechanical facilities; rental of equipment for teaching equip...