Custom design of computer software; Computer software development; Design of face recognition software; Software authoring; Computer software design; Computer software development in the field of big data fusion.; Software design and development; User authentication services using blockchain technology for the field of big data fusion.; Updating of computer software; Intelligent natural language understanding services using cloud-based software technology; Customizing computer software; Installation and maintenance of computer software; Design and development of virtual private network (VPN) operating software; Artificial intelligence as a service (AIAAS) services featuring software using artificial intelligence (AI) for the field of big data fusion.; Software engineering services for data processing; Installation of computer software; Design and development of software and hardware for producing, recording and processing digital and analogue signals; Design and development of software for instant messaging; Maintenance of computer software; Design and development of on-line computer software systems; Intelligent voice recognition services using cloud-based software technology; Design of computer machine and computer software for commercial analysis and reporting; Application service provider featuring application programming interface (API) software for big data fusion.; Image processing software design; Testing of computer software; Software as a service (SAAS) services featuring software for the field of big data fusion.; Providing a website featuring non-downloadable software using artificial intelligence (AI) for the field of big data fusion.; Computer software development, computer programming and maintenance of computer software for the field of big data fusion.; Writing and updating computer software; Providing on-line non-downloadable geographic information system (GIS) software; Application service provider featuring application programming interface (API) software; Software development in the field of big data fusion.; Software engineering services; Design and development of software in the field of mobile applications; Up-dating of computer software