1in April, 1992, Fan Zengyu was transferred to the position of deputy director of the Political Research Office of Zhoukou District Committee of Henan Province and entered the ranks of CPC cadres. After half a year's transition, Fan Zengyu was sent to Fugou County, Henan Province as the deputy secretary of the county party committee. Three years' practical work experience laid the foundation for him to return to the core position of the government.
1995 Fan Zengyu was transferred to Deputy Secretary-General of Zhoukou District Administrative Office.
1998 when Zeng Jincheng, director of bureau of henan province, was arrested, he found that Fan Zengyu had paid bribes to Zeng Jincheng 1. 1.00 million yuan, and then the Henan Provincial People's Procuratorate decided not to prosecute. Soon after, Zhoukou City Procuratorate revoked the above-mentioned non-prosecution decision by the criminal appeal review decision (Guangdong Inspection Shenzhou Fujue Zi (1999) No.4). In the end, Fan Zengyu was exempted from criminal punishment.
In April 2000, he served as Party Secretary and Director of Zhoukou Financial and Economic Work Office.
200 1, Fan Zengyu was appointed Secretary-General of Zhoukou Municipal Government.
In 2004, Fan Zengyu was appointed as a member of the Party Group and Deputy Director of the Office of Comprehensive Agricultural Development (Poverty Alleviation) in Henan Province.
In 2005, Fan Zengyu published an article in People's Daily entitled "Keeping Advanced in Poverty Alleviation and Development", expounding his emphasis on theoretical study and party building in poverty alleviation posts.
In April 2006, Fan Zengyu was transferred to Beijing as the director (deputy department level) of the National Training Center for Cadres in Poverty-stricken Areas of the State Council Poverty Alleviation Office.
In March 2009, Fan Zengyu was appointed as the director of the foreign investment project management center of the State Council Poverty Alleviation Office. (Director level)