据《中华新闻报》报道：为积极应对中国加入世贸组织，发展民族文化产业，中国传媒业正在积极推进集团化建设，把媒体作强做大。迄今为止，全国已出现以下七大上市传媒公司。·电广传媒：公司主营湖南省各大电视频道的广告代理、节目制作、有线网经营等业务。·赛迪传媒：公司 According to “China News” reported: In order to actively cope with China’s accession to the WTO and the development of national culture industry, the Chinese media industry is actively promoting the group building and making the media bigger and stronger. To date, the following seven major listed media companies have appeared in the country. · Electric Media: The company’s main Hunan Province major television channels advertising agency, program production, cable network business and other operations. · CCID Media: Company