Research and development, design, production and sales of integrated circuits and communication products; wholesale, import and export of the above products and provision of relevant technical consultation and technical services; development and sales of smart home products and peripheral accessories, smart door locks, automated intelligent equipment, electronic products and accessories, and computer software and hardware technology; sales of hardware products; design, manufacturing and sales of molds; appearance design, structural design; domestic trade; self-operation And agency business of import and export of various commodities and technologies (except for commodities and technologies that are restricted by the state or prohibited from import and export); production of electronic products; development, design and installation of weak current intelligent construction projects and network system projects; sales, installation and maintenance of safety equipment; sales and wholesale of Class II and III medical devices; R&D, design, production and sales of home appliances; development, consultation, transfer and services of the above technologies.