Boston College Media diploma（证件网:ｂｚｗ９８５.ｃｏｍ)龙井Hochschule Rhein-WahlAccounting Diploma-Manukau Institute of TechnologyDiploma in Marketing（证件网:ｂｚｗ９８５.ｃｏｍ)Fachhochschule Weinstephan证书Fh