Tian Mingzhi@mtdemtlFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencemtdemtl has not updated employment details yet.Educationmtdemtl has not updated education details yet.Linksmtdemtl has not updated links details yet. Skillsmtdemtl has not updated skills details yet.