[1][2] Zheng was born in Xianyou County, Fujian, in November 1963, and graduated from the Party School of Fujian Provincial Committee of the Chinese Communist Party.

[3] Zheng joined the Chinese Communist Party (CCP) in December 1986.

[3] Zheng worked in Sanming Cement Plant (now Sanming Building Materials Corporation) for a long time, and eventually becoming party secretary in December 1996.

[3] Since 1998, Zheng successively served as deputy party secretary and deputy magistrate of Datian County (1998–2001), director of Sanming Municipal Economic and Trade Commission (2001–2003), secretary-general of Sanming Municipal People's Government (2003–2006), deputy director of Fujian Provincial Economic and Trade Commission (2006–2008), general manager and party secretary of Fujian Shipbuilding Industry Group (2007–2008), and deputy secretary-general of Fujian Provincial People's Government (2008–2010).

[4] In April 2021, he succeeded Zhao Long as executive vice governor of Fujian, but having held the position for only three months.