The same bank, no matter how many credit cards, what kind of credit cards, the line is shared.
And banks had better not apply too much. If too many cards are used, the quota will be shared and an annual fee will be charged for each card.
Moreover, your credit information will be a bit expensive, and it is not very good to get a card when applying for another credit card.
Extended data:
Credit card limit, also known as credit card available limit, refers to the maximum amount of credit card you can use, including credit limit (that is, the maximum overdraft limit of credit card) and the amount deposited in credit card.
The amount of any credit card depends on the effective income provided by the individual during the application process and the value of the asset guarantee. The credit limit of a credit card is positively related to the applicant's income and secured assets, that is, the higher the income and secured assets, the higher the credit limit. Therefore, the applicant must provide proof of income and statement of asset guarantee. Asset guarantee includes fixed assets such as real estate and automobiles, as well as current assets such as savings and bonds.
References:
CCB Credit Card _ Baidu Encyclopedia