Part-time retouching in Yifan educational institution is more reliable. According to Aiqi's investigation, there are a large number of part-time posts on the websites of Yifan educational institutions, and the content is safe and reliable. The business scope of Yifan education institution is general projects: technical service, technical development, technical consultation, technical exchange, technology transfer and technology popularization. Software development. Software outsourcing service. Information technology consulting service.