Taking the black card of CCB as an example, the following conditions are generally required for handling.

1. The applicant has reached the age of 18 and has full capacity for civil conduct;

2. It has assets of more than 5 million yuan in China Construction Bank;

3. The applicant has a good credit record and no overdue record.

Black cards are black, and the overdraft limit is between 3 million and 6 million. Although it is called unlimited credit card, there is still an upper limit on the fixed amount of the card. According to the credit qualification of the cardholder, the actual amount of the card will be different.