How old is Yu Zengbiao? Green and harmonious independent director

Yu Zengbiao: Male, born in 1955, China nationality, graduated from Xiamen University with a doctorate in economics (accounting), and has no permanent residency abroad. 1973 to 1975, accounting for the production team of Hebei Village, Liusanzhuang, Huanghua County, Hebei Province; 1975 to 1978, a private teacher of Hebei Middle School in Huanghua County, Hebei Province; 1982 to 1987 as a teaching assistant and lecturer in Hebei university. Master tutor, director of behavioral accounting research center of Hebei University, 1996 to 1999 Dean of School of Management and Head of Accounting Department of Hebei University, 1999 Professor Tsinghua University, doctoral tutor, and now independent director of the company.