Mr. Wang Jun，a first level senior accountant. Mr. Wang graduated from Zhengzhou Aviation Industry Management Institution majoring in finance and business management. Mr. Wang commenced his career in aviation industry in August 1969 and used to be a division chief of planning department, secretary of company officer, deputy director of financial department of Harbin Dongan Engine Manufacturing Company; general manager of Shanghai Andong Industry& Trading Corporation. from February 2002, he had been the general accountant and vice general manager of Dongan Engine Manufacturing Group; director and vice general manager of Dongan Engine 2 Manufacturing Group; director, vice general manager and general manager of Harbin Aviation Group; Chairman of the board of the director of Dongan Heibao Co.,Ltd.; Chairman of the board of the director and general manager of Harbin Dongan Engine (Group) Co., Ltd. Mr. Wang had been the vice general manager and chief financial officer of the Company since April 2010 to March 2014. Mr. Wang had been an independent director of AVIC BIAM New Materials Technology and Engineering Co., Ltd. from 2018 to June 2020. Mr. Wang has been a director of AVIC BIAM New Materials Technology and Engineering Co., Ltd. since July 2020. He has been the non-executive Director of the Company since May 2021.