The CCB credit card has been upgraded to a gold card, and the regular card can no longer be used.
Ordinary cards can be upgraded to gold cards when their credit limit reaches a certain limit;
Generally, when the credit limit of an ordinary card reaches 50,000, you can apply for upgrade to a gold card;
Passed After application, the credit card center will send you a new card and the original card will be invalidated;
The annual fee for the gold card is higher. If you want to waive the annual fee, you must meet certain conditions.