1. can only be used through mobile apps, such as binding WeChat or mobile banking, and can be used as usual.
2. If your card can't be used any more because of damage, breakage, degaussing of magnetic stripe or wrong signature, you can call the credit card service hotline of CCB to apply for a new card. Please open the new card in time after receiving it, and destroy the damaged card to avoid risks.
3. You can't use a physical credit card.