(AuroraMobile,NASDAQ:JG)2020.2©JIGUANGConfidential.AllRightsReserved.2©JIGUANGConfidential.AllRightsReserved.3©JIGUANGConfidential.AllRightsReserved.12345二手手机行业背景CHAPTER01©JIGUANGConfid...