The reasons for rejection may be as follows:
The first reason is your basic information, for example, you are under 18 years old, your occupation is off-limits for bank credit cards, the information provided is not detailed enough, and the payroll information is not detailed enough.
The second reason is your credit information, such as your repeated application, unstable work, poor credit record and poor contact.
The third category is other reasons, such as the contact is unaware or unwilling to be a contact, your health has problems, and the contact does not meet the requirements.
You can find your own problems according to the above reasons.