HUAIN is a national high-tech enterprise specializing in the design, research and development, production and sales of modern conference products. Products are widely involved in intelligent digital conference systems, paperless conference systems, visual management systems, programmable central control systems and peripheral equipment. Since its development, it has been successfully used in many fields such as international conferences, government agencies, people's congresses, intelligent departments, judicial institutions, command centers, large and medium-sized enterprises, colleges and universities, hospitals, and museums.