D: Male, China nationality, born in 1973, with a doctorate. From May 5438+0, 2006 to September 2004, he served as the research manager of the securities investment headquarters of Bohai Securities Co., Ltd.; From 2004 10 to may 2007, he served as deputy director of the capital operation department of China energy conservation and environmental protection group corporation; From June 2007 to June 2009, he served as the general manager of China Energy Saving Investment Co., Ltd.; 65438+Deputy General Manager of Tianjin Binhai Haisheng Equity Investment Fund Management Co., Ltd. from February 2009 to February 2065438+February 2002; 2011May has been the general manager of Xianghai (Tianjin) Venture Capital Management Co., Ltd.; Since 20 12, he has been the general manager of Xianghai (Tianjin) Investment Co., Ltd.; From June 2065438 to June 2005, he served as the general manager of Xianghui (Tianjin) Asset Management Co., Ltd.; 2065438+Since June 2007, he has served as an independent director of the company.