To those keep commenting IT downtrend, are you from IT? If you are, and salary still low, I would suggest you to review your career path, either you are sux in your skills or  you don't know your strength and negotiate the best for yourself.
I'm an experienced IT professional and been in this industry since 2010, 2500% hike in basic salary in 11 years and still growing, excluding my side income

Edit: you may look at FANG if still have doubts on IT package.

My son graduated, now assit in developing harnest energy from orbited power station and part of it is developing AI system

I dont know what is that.

You can google shanghai Jio tong university. Top University there. All the Crazy fast speed train system in China  is develop from this university