Mr. Shi Yonghui used to be an assistant researcher in the Resource and Environment Information Center of China Academy of Sciences, a researcher in the Asset Management Department of Gansu Securities, and a senior analyst and assistant to the general manager of China Merchants Securities R&D Center. In 2003, he joined Dacheng Fund Management Co., Ltd. and successively served as a senior researcher in the company's research department, deputy director of the investment department and assistant to Dacheng's selected value-added hybrid securities investment fund manager. From April 2006 to May 2006, he served as the fund manager of Dacheng CSI 300. From 2006 1 to 20 1 in 2003, he was appointed as the stable fund manager of Dacheng blue chip.