2. The bank controls your card due to transaction risks (such as swiping cards in high-risk areas and high-risk merchants). In this case, you can also call the customer service hotline to apply for opening, but it may not be opened immediately, and it is also possible to change the card.
3. If the repayment cannot be made on time or the transaction is not standardized, you can also call the customer service hotline to apply for opening. After the application, the bank can decide whether to open it.
That's all I can think of at present. In other cases, I can ask for a supplement.