Xuetao Hong@xho224Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencexho224 has not updated employment details yet.Educationxho224 has not updated education details yet.Linksxho224 has not updated links details yet. Skillsxho224 has not updated skills details yet.