Production, research and development, sales of display screens, touch screens, display modules, electronic components, circuit boards, optoelectronic application products, instruments and technical services of related products; production, research and development, sales of computers, software and hardware; self-operated and agent import and export business of various commodities and technologies (except for commodities and technologies that are restricted by the state or prohibited from import and export). General projects: Smart home consumer equipment manufacturing; Smart home consumer equipment sales