Itech is not only a large-scale and powerful national high-tech enterprise, but the leader in PA area. Besides, Itech has been engaged in the field of audio and video technology for many years, with marketing network covering the world, and has become the audio and video equipment supplier for major engineering projects , Besides, Today, with the AI technology as its core, Itech will make a strategic upgrade for its products and move towards the artificial intelligence, as well as bring its self-developed systems, such as the public address system, conference system and recording and broadcast system, into the AI era.