According to official website of Zhongwang cad, Zhongwang CAD Student Edition is a software specially developed for students and educators. It is provided to schools, educational institutions and individuals for free trial, but it needs to meet certain usage norms.
Zhongwang cad Student Edition is a version developed for the education industry and individuals, which is used for non-commercial purposes such as teaching and learning of students and teachers. Need commercialization, need to buy genuine software, otherwise it may involve copyright issues.