Yes According to official website's inquiry about postgraduate English, Dr. Ziggy graduated from postgraduate school and has a deep understanding of English. He combines his own understanding with high-scoring English courses to teach others how to learn English faster. Postgraduate entrance examination English Ziggy's graduation certificate, degree certificate, English professional certificate, etc. It's all true, issued by the Ministry of Education. Postgraduate English app is an English learning assistant created by a group of postgraduate students. It aims to provide comprehensive, practical and efficient English learning materials and services for the majority of candidates. It is a comprehensive learning application integrating information, practice, testing, socialization and planning.