This is the most authoritative university in China. There is nothing authoritative to say!

And Sun Yat-sen University,

Henan Polytechnic University,

Jiaozuo Institute of Technology,

Guilin Institute of Technology,

Shenzhen Jewelry Vocational College.

Wait a minute.

In fact, jewelry appraisal is a very narrow profession.

I think you can take the mineral major, because this major is relatively wide, and you can identify many stones, not to mention gems, but the mineral major seems to be more difficult to take. . . .