Chen Kun: Male, China nationality, born in1February 1982, China nationality, Master of Applied Economics of Xi Jiaotong University, certified public accountant, without permanent residency abroad. From 2009 to 20 1 1, worked as a project manager in the western securities investment banking department; 20 1 1 -20 16 worked in the investment banking department of guangfa securities and was the sponsor representative; 20 16 to 20 18 worked in Xi' an leidi information technology co., ltd. as a director, chief financial officer and secretary of the board of directors, and is currently a director and deputy general manager of the company.