Ouyang Danwen@sg_ouyangdanwenSingaporeFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencesg_ouyangdanwen has not updated employment details yet.Educationsg_ouyangdanwen has not updated education details yet.