With the assistance of bank staff. To activate a credit card with a Bank of China credit card, a recorded signature is required, which needs to be done with the assistance of bank staff. The Bank of China Credit Card is an international standard credit card with one card and two currencies. It is universally accepted and requires no prepayment. You can easily use the card to make purchases at home and abroad within the limit and enjoy interest-free loans for up to 50 days.