1. Applicants need to be between 18 and 60 years old and have full capacity for civil conduct.

2. The applicant for the supplementary card must be between 13 and 60 years old, and be an immediate relative of the main credit card holder, such as parents, children, spouse, etc.

3. The applicant needs to have a stable job and a monthly income that can repay the loan and interest on time.

4. Have good personal credit, no bad credit record, and can produce a personal credit report.

5. Applicants need to have a stable place of residence in the place where they apply for the card, or have a local household registration.

6. The applicant must have certain property in his name, such as bank deposits, stocks, vehicles, real estate, etc.