Hello, there are three ways to apply for adjusting the fixed credit line: 1. You can call the customer service hotline to apply for increasing the credit limit after speaking on our customer service hotline, logging in to online banking or holding a card for a period of time, and we will apply for it for you according to your past card use; 2. Or when your economic level has improved to a certain extent, you can also provide us with relevant certificates (such as real estate, automobile real estate, savings certificate of China Merchants Bank, etc.). ), fax (02 1-38566200) or mail the financial proof that you didn't provide before applying for the card, including a copy of the real estate license (the real estate license must contain the name of yourself or your spouse or minor children), and the relevant departments will re-examine it according to your new information. 3. Log in to credit card online banking (popular version and professional version), account management-account quota management-quota adjustment-apply for quota increase. After the application, it will be reviewed according to your card usage. If you download the Pocket Life, you can use the card * to manage the payment limit.