Mr. Gang Li is the head of marketing and sales of our Group. He is responsible for the management of the over all marketing system since March 2019. Prior to joining our Group, he had served in GlaxoSmithKline (China) Investment Co., Ltd（since July 2009, responsible for the daily business management of the certain vaccine in North China. From May 2009 to June 2009, he served as a medical 

information specialist in Pfizer Investment Co., Ltd.  From September 2006 to April 2009, he served as a pharmaceutical representative of GSK. From July 2003 to July 2006, he served in the sales department of Shenwei Pharmaceutical Ltd. Mr. Li received his bachelor’s degree in Hebei Medical University in July 2003. He received an M.B.A. degree in Sorbonne Business School in May 2018.