Ruocheng He@heruochengFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experienceheruocheng has not updated employment details yet.EducationCentral South UniversityLinksheruocheng has not updated links details yet. Skillsheruocheng has not updated skills details yet.