Liu Delei: Male, Chinese nationality, no right of abode abroad, born in 1973, master's degree, Chinese certified public accountant, has obtained the independent director qualification certificate recognized by the stock exchange; he once served as the chief clerk of the Listing Division of the Beijing Supervision Bureau of the China Securities Regulatory Commission , Deputy General Manager of the Finance Department of Beijing Zhongguancun Information Engineering Co., Ltd., Deputy General Manager of the Marketing Department of Orient Fund Management Company, General Manager of the Marketing Department of Huashang Fund Management Company, Deputy General Manager of Zhongrong United Investment Management Co., Ltd., Beijing Guangneng Investment Fund Management Co., Ltd., deputy general manager of China Resources Trust Co., Ltd. Securities Trust (Beijing) Department, partner of Beijing Yanyuan Pinghu Investment Consulting Co., Ltd.; currently deputy general manager of Beijing Pangushan Capital Management Co., Ltd., Sinovel Wind Power Technology (Group) Co., Ltd. Co., Ltd. and independent director of the fifth board of directors of the company.