Chaofan Wang@chaofanFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencechaofan has not updated employment details yet.Educationchaofan has not updated education details yet.Linkschaofan has not updated links details yet. Skillschaofan has not updated skills details yet.