Tutor Liu Xiliang, born in June, 1928, is from Shenxian County, Hebei Province. Famous experts in steel structure and space grid structure. 1955 Tsinghua University graduated from the first steel structure graduate. He is currently a professor and doctoral supervisor in the Department of Civil Engineering of Tianjin University. Enjoy special state allowance. The first batch of registered structural engineers in China.

His wife, Wang Xiaodun, was born in Shijiazhuang, Hebei Province. She 1990 graduated from the School of Architecture and Engineering, Hebei University of Technology, and later obtained a master's degree and a doctor's degree from Tianjin University, and was a postdoctoral fellow in Tsinghua University.

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