No matter state-owned enterprises, private enterprises or overseas-funded enterprises, main conference modes are still working conference, communication conference, training conference, etc., bringing the feeling of boredom and tediousness to people; However, through audio and video equipment's display of drawing, text, voice, image and picture, and fully mobilizing participants' sensory perception can improve effect of the meeting greatly, promote work efficiency, realize multidirectional communication of enterprise and solve problems of training, conference and technical exchange.  Nowadays, more and more enterprises have realized the advantages of multimedia conference room, they are building it actively, aiming to this situation, our company has provided different types of enterprises like manufacturing enterprises, trading enterprises and enterprises for design research and development with many solutions to satisfy the usage requirements of meeting room.