There seems to be only one Shenzhen University in Shenzhen.

It's not chaotic, and it doesn't include the research institutes of those universities.

Shenzhen University is in Shenzhen University Town in Nanshan District.

If you want to make a phone call cheaper, you can get a 200 card.

If the network is convenient, you can buy an Internet phone.

Super cheap domestic long-distance calls are equivalent to 6-7 cents.