Retion is a high-tech enterprise integrating research and development, production, educational model research, and sales. provides a series of interactive teaching solutions and services to the education sector, including visualizer, document camera, data terminal,Interactive Teaching Solutions, Smart Teaching Solutions, Multimodal and Highly Interactive Practical Training Teaching and Management Systems, and Ubiquitous Practical Training Teaching and Assessment Systems.Leveraging core technologies such as video presentation platforms, interactive teaching terminals, big data analytics, 5G internet, and AI. We offer comprehensive construction solutions for the informatization of basic education, vocational education, higher education and medical eduction.