Work reasons. According to Ning Zuo's personal data, Ning Zuo is mainly a lecturer of criminal procedure law who signed a contract with Zhonghe Education, and works part-time as a lecturer in Deep Blue Education, so Ning Zuo is in Deep Blue and Zhonghe for work reasons. Ning Zuo, male, 1979, born in Shijiazhuang, Hebei Province, is a doctor of criminal procedure at China University of Political Science and Law, and is the doctoral research secretary. His name is Criminal Procedure Law.