You don't have to apply for a credit card at a bank. You can apply at a bank outlet first, and then prepare proof materials such as work, salary and social security.
Bank credit card application conditions:
① Age requirements: local residents should be 18-65 years old, and foreigners should be 25-65 years old;
2 job requirements: have a stable work unit, income and fixed residence;
③ Credit requirements: no bad credit record. The supplementary card applicant must be the parent, spouse or child of the main card holder, aged between 16-65.