According to Aiqi's investigation data, Changchun Mingrui Group refers to Jilin Mingrui Engineering Technology Group Co., Ltd., which was established on July 20, 2020, with its registered place at 80 1 kloc-0/65438 Zhaofeng International Unit1and its legal representative as Chang Yuan. The business scope includes general projects: 5G communication technology services; Engineering technical services (except planning management, survey, design and supervision); Geological exploration technical services; Technical service, technical development, technical consultation, technical exchange, technology transfer and technology popularization; Information technology consulting services; Sales agent; Engineering technology research and experimental development; Information system integration service; Human resources services (excluding professional intermediary activities and labor dispatch services); Software development; The research and development of Internet of Things technology is a formal company protected by official website Certification Law, and its business scope is also within the scope permitted by law. There are three change reminders, and their business status is in business. Therefore, it is a reliable company.