rock hong@hongrockFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencehongrock has not updated employment details yet.EducationGuangdong University of Foreign StudiesLinkshongrock has not updated links details yet. Skillshongrock has not updated skills details yet.