General business items: technical development, sales and technical services of computer software and hardware; business management consulting, enterprise marketing consulting, technical information consulting of medical devices; electronic commerce (involving pre-administrative licensing, which can only be operated after obtaining pre-administrative licensing documents); import and export business of domestic and foreign trade, goods and technology (excluding monopoly, monopoly and monopoly dealers) Products; Research and development of electronic products; Sales of Class II medical devices (excluding in vitro diagnostic reagents). Licensed Business Projects: Production of Electronic Products, Digital Products and Peripheral Accessories. (Except for projects that require approval before registration as stipulated by laws, administrative regulations and decisions of the State Council)