1. In terms of teachers, Qingfeng EFI Training is a training institution specializing in the national registered electrical engineer examination. With years of training experience, the teaching staff has remained unchanged. Nano-injection molding training institution is a training institution that provides registered electrical engineers, and the lecturers are professionals with registered electrical engineer qualifications.

2. In terms of teaching quality, the curriculum feature of Qingfeng Education is that it only focuses on the specialty of power generation and transmission, and there are no live courses, but all are recorded and broadcast courses. The lecturers of nano-injection training institutions have profound theoretical foundation and in-depth lectures, and are good at refining from complicated knowledge and explaining clearly.