Hua Han@hh_hanhuaFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencehh_hanhua has not updated employment details yet.Educationhh_hanhua has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/huahan Skillshh_hanhua has not updated skills details yet.