The registration address of chang chang smart technology ltd., changzhou city, is located at the new road of the new pond industrial park in wuhuang district, located at no. 18, with the registration authority being the office of administration of the wuhuang district of changzhou city, and is run by legal persons and includes licensed projects: goods import and export; technical import and export; import and export agents (subject to legal authorization for projects subject to the approval of the relevant authorities for the operation of their operations, subject to the approval of the respective departments); general items: technical services, technical development, technical advice, technical exchange, technology transfer, technical promotion; construction of equipment for the construction of the intellectual base; sale of intellectual infrastructure equipment; manufacture of smart instrument instruments; sale of special equipment for electrical and mechanical equipment; sale of machinery; manufacture of moulds; sale of model equipment; manufacture of models; manufacture of equipment for industrial automatic control systems; sale of equipment for industrial automatic control; manufacture of computers and systems; sale of industrial control of computers and systems; manufacture of sewing machines; sale of sewing machinery; manufacture of spare parts; sale of machinery and spare parts; installation of general machinery services for information systems; operation maintenance services; distribution