Ren held several posts in the Guuangxi Zhuang Autonomous Region, including vice-mayor of Behai City and a member of the standing committee of the CPC Beihai City Committee. He was also vice-chairman of the 5th China Democratic National Construction Association of the Guangxi Zhuang Autonoumous Regional Committee.
Ren was a member of the Standing Committee of the 9th CPPCC National Committee.