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 equipment; flat design, e-commerce; technology development and technical services for physical networking; export and import operations for self-employed and agency goods and technologies. General projects (for which authorization is required by law for the conduct of business activities only with the approval of the relevant authorities): sale of furniture; sale of daily department goods; sale of outdoors; sale of electrical cables; wholesale distribution of hardware products; sale of needle textiles; sale of plastics; sale of metal chains and other metal products; sale of household appliances; sale of lamps; sale of fire protection equipment; sale of glasses (without contact lenses); retailing of sports and equipment; sale of communications equipment; integration of information systems; sale of metal structures; sale of metal materials; sale of special labour protection supplies; sale of labour protection supplies; sale of specialized chemical products (without hazardous chemicals); sale of lubricants; sale of security equipment; sale of case bags; sale of shoes; sale of clothing, clothing inspection, collation services; manufacture of information security equipment; manufacture of electronic appliances; manufacture of boxing; manufacture of clothing; production of special labour protection supplies; manufacture of tyres; sale of tyres; provision of technical advice; extension of technical and safety software development licences in accordance with the law; development of technical know-how, technology; and promotion of technical information technology; and development of information technology networks