You can log in to credit card online banking at any time and click Account Management-Account Limit Management-Quota Adjustment to apply. You can also fax (02 1-38566200) or mail the financial certificate that was not provided before applying for the card, including a copy of the real estate license (the real estate license must include the name of yourself or your spouse or minor children, a certificate of relationship and a copy of any water, electricity and coal invoice documents of the real estate license in the last three months), a copy of my vehicle driving license, 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.