First of all, the necessary information of a credit card is:

1. The original of the cardholder's ID card shall be checked by the bank.

2. Work-related certificates: copies of work permit, work certificate issued by the unit, professional title, professional qualification certificate and other materials.

3. Proof of fixed residence: the latest bill of fixed telephone number, home address, water and electricity bill or gas bill.

Two, the credit card can also provide the following proof of assets:

1. proof of income (the following items are optional): a copy of the salary record issued by the bank, a certificate of income issued by the company, a certificate of time deposit, a certificate of income tax withholding, and other materials.

2. Housing certificate (optional for the following items): a copy of the self-owned real estate license, the down payment certificate of the self-owned housing mortgage and other materials.

3. A copy of your own car driving license.