If you check the CFO's resume, you will see he usually changes his job every 2 years..
Mr. Jun Zou is no longer Chief Financial Officer of E Commerce China Dangdang Inc., effective April 10, 2014. Prior to joining Dangdang, Mr. Jun Zou has been chief financial officer and principal accounting officer for Xunlei Ltd., a Chinese internet platform. From 2009 to 2010, he served as the chief financial officer, treasurer, board secretary, and VP of Strategy for NASDAQ-listed China BAK Battery Inc.. Mr. Zou served as the chief financial officer of GCL Silicon in Hong Kong in 2008. From 2006 to 2008, he was the chief financial officer for the global technical services business unit and head of global customer financing and treasury at Huawei Technologies, a Fortune 500 technology company in China.