Leng was born in Pingdu County, Shandong, in August 1953. In September 1969, he became a soldier in the Fifth Division of the Heilongjiang Production and Construction Corps. In January 1973, he was transferred to Beijing No.2 Machine Tool Works. After the resumption of college entrance examination, in September 1979, he entered Peking University, majoring in philosophy.
^Yang Ting (杨婷) (24 October 2017). 十九大受权发布:中国共产党第十九届中央委员会委员名单 [List of members of the 19th Central Committee of the Communist Party of China]. xinhuanet.com (in Chinese). Retrieved 28 June 2021.
^Zhuang Yu (庄彧) (30 April 2019). 曲青山任中央党史和文献研究院院长 冷溶不再担任 [Qu Qingshan become president of Institute of Party History and Literature of the Central Committee of the Communist Party of China, replacing Leng Rong]. ce.cn (in Chinese). Retrieved 28 June 2021.
Party political offices
Preceded by
Jin Chongji
Executive Deputy Director of the Party Documents Research Office of the Central Committee of the Chinese Communist Party 2001–2004
Succeeded by
Yang Shengqun
Preceded by
Teng Wensheng
Director of the Party Documents Research Office of the Central Committee of the Chinese Communist Party 2007–2018
Position revoked
New title
President of the Institute of Party History and Literature of the Central Committee of the Chinese Communist Party 2018–2019