The fund account number is the fund account number of your business hall, which can be used in this business hall after it is generally allocated to you. Other securities companies can't use it.

The shareholder code is different, among which the shareholder code of Shanghai Stock Exchange is unique to me, even if you change securities companies in the future, it is also a shareholder code. The shareholder code of Shenzhen Stock Exchange is different in different securities companies and can be changed.