1. Adjustment of temporary credit line of China Bank.

When using the credit card of China Bank, if you find that the approved credit limit is not enough, you can call the 24-hour customer service hotline 4006695566 to contact the customer service specialist and apply for a temporary increase in the credit card limit. After the temporary credit limit expires, the credit limit will be automatically restored to the original limit.

2. Adjustment of long-term credit line of China Bank.

If the credit card holders of Bank of China want to increase the credit card limit for a long time, they need to call the 24-hour customer service hotline of Bank of China Credit Card to apply for credit card limit adjustment after holding the card for 6 months. Bank of China will inform customers of the audit results within one week according to the credit card holder's card use history and repayment records in the past six months. If the cardholder can provide some assets proof materials when submitting the application, he can get a higher credit limit.