Yizhi Tang has served as our senior vice president since November 2012. Before that, Mr. Tang served as our vice president from September 2010 to November 2012. Mr. Tang has over 10 years of experience in the logistics industry. Prior to joining us, Mr. Tang served as an operating director of Best Logistics Technology Co., Ltd. from 2009 to 2010. From 2008 to 2009, Mr. Tang served as the head of logistics department of Tesco, responsible for the logistics in the northern China area. From 2006 to 2008, Mr. Tang worked as the senior director of the logistics department of Dangdang.com. Mr. Tang received a master's degree from Sun Yat-Sen University in 2003 and a bachelor's degree from Nanjing University of Aeronautics and Astronautics in 1997.