1, National Open University.
2. Hongcheng Education.
3. Knowledge education.
4. Education in Bao Zheng.
5. Land education in China.
6. Open education.
7. Painting education.
8. Public education in China.
9. Educate for learning.
10, suntech organization, etc. In no particular order, please pay carefully.
The formal academic qualifications promotion institutions recognized by the state are the continuing education colleges (adult education colleges) of major universities, off-campus training institutions authorized by university legal persons, and off-campus teaching points established by schools. Regular academic upgrading institutions generally have qualifications such as authorized enrollment documents and school licenses of colleges and universities. Institutions without these qualifications are illegal enrollment.