You can log in to China Bank Mobile Banking, select the credit card to be upgraded through the function of "Home-Credit Card-Line Management", click Upgrade Temporary Line, enter your expected line and expiration date on the page, and enter security authentication information on the confirmation page to complete the application for upgrading temporary line.

Tips: The adjustment amount is subject to the final approval result.

The above contents are for your reference. Please refer to the actual business regulations.

If you have any questions, please contact online customer service of Bank of China.

You are cordially invited to download and use China Bank Mobile Banking APP or China Bank Cross-border GO APP to handle related business.