The exact amount depends on your personal data.

The most influential ones are deposits, asset certificates and jobs. Items with little impact include age, education and so on.

As long as the consumption situation is good, you can mention it. The credit limit of my card itself is 5000, and now it is 18000.

Usually brush it once a month, and then use Tianhui to brush it twice abroad to buy foreign currency.

So do it and make good use of it.