1. Applicants for the main credit card must be over 18 years old, under 60 years old, and have full capacity for civil conduct.

2. Applicants need to have legal and stable income, good credit status, and no bad credit record.

3. When applying for a credit card, you need to provide identity documents.

4. Applicants need to provide proof of residence.

5. Applicants need to provide proof of income and financial resources.