You can inquire and modify the e-mail address of your credit card through Bank of China Mobile Banking, Colorful Life APP, "China Bank Credit Card" WeChat official account, personal online banking, Bank of China outlets or call the customer service hotline of Bank of China at 4006695566.
The above contents are for your reference. Please refer to the actual business regulations.
If in doubt, please consult the online customer service of China Bank or download and use the mobile banking APP of China Bank to handle related business.