[1] Zheng was born in Shantou, Guangdong, in June 1968, and graduated from Zhongnan University of Economics and Law in 1990.
[1] Starting in July 1990, Zheng served in several posts in Guangdong Provincial People's Procuratorate, including recorder, secretary, assistant prosecutor, and deputy director.
[1] In August 2003, he became deputy head of the Department of Civil Affairs of Guangdong Province, and worked there for five years.
[1] In April 2016, he was named acting mayor of Zhuhai, confirmed in June of that same year.
[3] On 16 December 2022, he has been placed under investigation for "serious violations of laws and regulations" by the Central Commission for Discipline Inspection (CCDI), the party's internal disciplinary body, and the National Supervisory Commission, the highest anti-corruption agency of China.