If you apply for a credit card at China Merchants Bank, you can. At present, there is no limit on the number of cards you apply for, but all credit cards (including supplementary cards) under the personal card name of the host card share a quota, and the quota will not be accumulated when the number of cards increases.
If there are more than one credit card, please log in to online banking/mobile banking to inquire about credit card transactions, and all the bills inquired are card transactions.
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You can judge which card is the transaction by the "last four digits of the card number" in the credit card bill details.