Zheng Yajun

Previously he served as deputy chairperson of the Environmental Resources Protection Committee of Gansu People's Congress and before that party secretary of Pingliang, and party secretary and mayor of Jiayuguan.

In September 1980, he was accepted to Gansu Education College (now Lanzhou University of Arts and Science), where he majored in Chinese.

He spent 12 years working at the Organization Department of CCP Gansu Provincial Committee before serving as deputy director of the General Office of CCP Lanzhou Municipal Committee in December 1996.

[2] In March 2016, he became party secretary of Pingliang, serving in the post until May 2017, when he was appointed deputy chairperson of the Environmental Resources Protection Committee of Gansu People's Congress.

[3] On 2 February 2021, he was put under investigation for alleged "serious violations of discipline and laws" by the Central Commission for Discipline Inspection (CCDI), the party's internal disciplinary body, and the National Supervisory Commission, the highest anti-corruption agency of China.