Zhang Guanghua: Male, born in 1972, Beijinger, once a partner of Lianchuang Investment, vice president of NQmobilegroup, a company listed on NYSE, consultant of Sina Weibo Investment Fund, deputy secretary general of Zhongguancun Internet of Things Alliance, deputy secretary general of Zhongguancun Internet Finance Industry Association, consultant of Zhongguancun International Maker Center, director of China International Chamber of Commerce, corporate representative of American Chamber of Commerce, and consultant of National Science Park of Beijing University of Posts and Telecommunications. Tutor of International College of Beijing University of Posts and Telecommunications, chairman, director and legal person of Zhunyou Co., Ltd., a small and medium-sized listed company in Shenzhen Stock Exchange, with rich experience in operation management and investment management of listed companies. He has rich experience in Internet, high-tech and industrial park operation and management, has certain synergy with the company's existing business, and is forward-looking for the company's future development.