Dazhou Tongchuan television channel DZTV-4, Tongchuan District belonging to four Chuanda City, with a total population of 582,800 (agricultural population 310,000). Tongchuan District is a national science demonstration area, the national family planning services advanced area, national model city building a harmonious community, hilly area of advanced counties in Sichuan Province, Sichuan Province, rural tourism demonstration area.