Cloud storage services for electronic data; Design and development of electronic data security systems; Development and creation of computer programmes for data processing; Electronic storage services for archiving databases, images and other electronic data; Installation, maintenance and repair of cell phone related software; Maintenance of on-line databases for others; Providing temporary use of online non-downloadable file sharing software; Providing temporary use of online non-downloadable software for creating, modifying, and sharing image files of virtual goods; Rental of a database server to third parties; Rental of computer software for collecting, analyzing and organizing data in the field of deep learning; Rental of software for data processing; Updating and rental of software for data processing; Updating of smartphone software