1, social security certificate: You have worked in the same company for more than 3 months and have paid social security records, which can prove that your job is stable. You can estimate your pre-tax income by querying the social security payment bank.

2. Proof of deposit: I intend to apply for a bank credit card. The best way to increase the quota is to have a large time deposit of more than three months in this bank.

3. Tax payment certificate: This certificate includes monthly pre-tax salary and annual tax payment. Can effectively prove the income situation for a period of time. Direct financial proof.

4. Property and vehicle production certificate: This kind of certificate proves the wealth of assets from one side.