Zhao DAI@wqqafndFollow BadgesProblem SolvingDays of Code Certificationswqqafnd has not earned any certificates yet. Work Experiencewqqafnd has not updated employment details yet.EducationCentral South University, ChangshaLinksLinkedinhttps://cn.linkedin.com/in/zhao-dai-69b7ba88 Skillswqqafnd has not updated skills details yet.