Xiao-Qing Li@xli7326Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencexli7326 has not updated employment details yet.Educationxli7326 has not updated education details yet.Linksxli7326 has not updated links details yet. Skillsxli7326 has not updated skills details yet.