Hello, if it is a China Merchants Bank credit card, the serial number cannot be used as a condition for increasing the limit.

There are currently three ways to apply for credit fixed limit adjustment:

1. After holding the card for a period of time, you can call our customer service hotline or log in to online banking or Call the customer service hotline to apply for an increase in your credit limit, and we will apply for you based on your past card use;

2. Or when your financial level has improved to a certain extent, you can also provide us with relevant certificates ( For example, you have not provided proof of real estate, car ownership, China Merchants Bank savings, etc.), fax (021-38566200) or mail proof of financial resources that you have not provided before applying for the card, including a copy of the real estate certificate (the real estate certificate must include the person or spouse or The relevant departments (names of minor children) will re-examine based on your new information.

3. Log in to credit card online banking (Public Edition and Professional Edition), Account Management - Account Limit Management - Fixed Limit Adjustment - Apply to increase the fixed limit. After application, the amount will be adjusted according to your card usage. The situation is reviewed. If you have downloaded Pocket Life, you can pay via card*--operate in limit management.

If the fixed quota cannot be adjusted, or you are anxious to adjust the quota, you can try to apply for a temporary quota. The temporary limit is the result of a comprehensive assessment by our system with reference to all aspects of your situation, including whether you repay on time, whether you frequently use our credit card, the type of consumption and the specific consumption situation, etc., are all factors we consider, whether it is OK Successful application is subject to system evaluation results. The temporary quota is valid for a certain period of time. After the period is exceeded, it will automatically revert to the original quota and you can borrow cash in advance. After the temporary limit expires, the used temporary limit (the portion exceeding the fixed limit) does not enjoy the revolving credit facility and will be included in the minimum payment amount of the latest bill and must be paid off in one lump sum on the due payment date. If the loan is not due/repaid, if there is still a temporary limit, you can apply again to adjust the temporary limit, which is subject to system approval. Log in to credit card online banking and click "Account Management" → "Account Limit Management" → "Temporary Limit Adjustment".