Mr. Lian Dawei，a doctorate degree holder and a researcher level senior engineer. Mr. Lian graduated from the Department of Urban Construction of Harbin Institute of Architectural Engineering with a bachelor of engineering degree majoring in heating and ventilation, and successively obtained his master degree in technology economy and management from Tsinghua University and doctorate degree in engineering and project management from Beijing Jiaotong University. Mr. Lian had successively been the deputy division director, division director, department chief, vice president and president of China Aviation Planning and Design Institute, the general manager of AVIC CAPDI, etc. Mr. Lian has been the chairman of the board of AVIC CAPDI since August 2016. He has been the non-executive Director of the Company since May 2019.