Chester Dong@xing808Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencexing808 has not updated employment details yet.Educationxing808 has not updated education details yet.Linksxing808 has not updated links details yet. Skillsxing808 has not updated skills details yet.