Zhichao Hu@zzz08900Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencezzz08900 has not updated employment details yet.Educationzzz08900 has not updated education details yet.Linkszzz08900 has not updated links details yet. Skillszzz08900 has not updated skills details yet.