Cheng Yiju

Cheng Yiju (; born March 1942) is a Chinese engineer and former politician who served as a vice chairperson of the Central Committee of the China Democratic National Construction Association (CDNCA). He was also a member of the Standing Committee of the National People's Congress and held senior leadership positions in Chongqing, including vice mayor and deputy chairperson of the Chongqing Municipal People's Congress.

Biography Cheng was born in March 1942 in Wuhan, Hubei. He enrolled at Tianjin University in September 1960, majoring in metal materials engineering in the Department of Mechanical Engineering, and graduated in August 1965. Following graduation, he joined the Chongqing Instrument Materials Research Institute under the former Ministry of Machinery Industry, where he worked for nearly three decades. During this period, he successively served as project leader, team leader, head of research laboratories, and deputy director, establishing himself as a senior engineer in the field of industrial materials.

In April 1995, Cheng entered public administration as deputy director of the Chongqing Municipal Science and Technology Commission. He was appointed assistant mayor of the Chongqing Municipal People's Government in November 1996 and was promoted to vice mayor in June 1997, a position he held until February 2003. His work during this period focused on industrial development, science and technology policy, and economic administration.

From February 2003 to January 2008, Cheng served as deputy chairperson of the Standing Committee of the Chongqing Municipal People's Congress. Concurrently, he was active within the China Democratic National Construction Association, serving as chairperson of its Chongqing Municipal Committee. In December 2002, he was elected vice chairperson of the Central Committee of the association, a post he held until December 2010. He also served as a member of the Standing Committee of the National People's Congress, participating in legislative and supervisory work at the national level.