if it is China merchants bank, you can apply, and whether it is approved or not is subject to the results of system audit. The increase of the credit card fixed limit must be reviewed by our bank, and we will also actively increase the fixed limit for cardholders with good credit card records from time to time. To increase the fixed amount of corporate cards, you need to contact the company for adjustment. You can log in to credit card online banking at any time and click Account Management-Account Limit Management-Fixed Limit Adjustment to apply. You can also fax or mail the financial proof that was not provided before handling 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, with a certificate of relationship and a copy of any water, electricity and coal invoice document of the real estate license in the last three months), a copy of the driving license of your own vehicle, a copy of the running list of our savings account in the last three months or the original proof of the asset balance of the wealth management account opened by our branches.