ordinary chef. Detention center refers to a criminal suspect suspected of a criminal offence, and the court has not yet made a judicial decision. It is a public security organ for temporarily detaining the criminal suspect. All detention centers use ordinary chefs, including Yongchuan District, where meals are distributed by guarded police. Yongchuan District is located on the north bank of the upper reaches of the Yangtze River and in the west of Chongqing, and is named after the "three rivers in the city are beautiful and shaped like a seal script."