The registered address of nanjing polytechnic ltd. Is located in the lake crunch industrial complex in the gangning district of nanjing city, with the registration authority being the office of administration of the gangning district government service in nanjing city, represented by legal persons, and includes licensed projects: electrical installation services (subject to the approval of the law, the operation of which may be carried out only with the approval of the relevant department, depending on the outcome of the approval): sale of machinery; development of biochemical products; manufacture of specialized equipment for rubber processing; sale of specialized equipment for rubber processing; manufacture of specialized equipment for plastics processing; sale of specialized equipment for plastic processing; sale of electronic metaware and electrical components; import and export of goods; technical services, technology development, technical advice, exchange, technology transfer, technical promotion; technical extension services; import and export of technology; development of software (in addition to projects subject to the authorization provided by law, self-employment in accordance with the law)