Audio-visual union introduction: founded in april 1982, the audio-visual press is one of the first audiovisual publishing institutions to be established with the approval of the ministry of radio, film and television, the audio-visual publishing unit of hunan province. For more than two decades, we have been following the "two-to-two" approach, constantly developing, courageously creating and achieving extraordinary achievements that have greatly contributed to the development of the audio-visual industry. Several phased audio recordings, video productions, cds, dvds were created in the audio-visual industry. To date, more than 700 original cassettes have been published, more than 200 videos and over 400 cds, vcds and dvds, with a total distribution of over 60 million boxes; almost 150,000 and 300,000 cable television programmes have been distributed; and over 3,000 videos have been collected in the audio-visual library. Several dozen programmes have been selected as gifts for forei...