Complex sentence: It is the downtown distric in Jingdezhen City, most of industrial and commercial enterprises of Jingdezhen are this area, it has jurisdiction of nine towns and townships with total population of 279,357 in 2007.
Split into simpler sentences: It is the downtown district in Jingdezhen City, most of the industrial and commercial enterprises of Jingdezhen are in this area. It has jurisdiction over nine towns and townships with a total population of 279,357 in 2007.