Lan Zhibiao Lan Zhibiao is the principal of the second senior middle school in Du 'an Yao Autonomous County, Hechi City. He was born in 1963 and 10 for two months. He is a Zhuang nationality from Du 'an, Guangxi. /kloc-0 joined China in July, 1998, and/kloc-0 started working in July, 1986. He graduated from the Physics Department of Guangxi University for Nationalities, majoring in physics. He has served as a researcher in the teaching and research section of Du 'an Education Bureau in Guangxi, vice president of Du 'an Yao Middle School, and secretary and principal of the Party branch of Du 'an Experimental Middle School for Nationalities in Guangxi.