Application route:
Log in to credit card online banking and click Account Management → Account Limit Management → Quota Adjustment.
You can also apply by phone and voice. After calling the credit card service hotline to verify your identity, press 2 to enter "Line Inquiry and Adjustment", and then press 3 to enter "Line Adjustment Application".
If in doubt, please add enterprise QQ customer service 4008205555 or WeChat to WeChat official account "China Merchants Bank Credit Card Center" for detailed consultation.