Jin Zhang@rommeliz2002United StatesFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencerommeliz2002 has not updated employment details yet.Educationrommeliz2002 has not updated education details yet.