1. Provide effective contact information: When applying for a credit card, foreigners need to provide a valid contact phone number and email address. These contact information is an important way for banks to contact you and verify your identity.

2. provide emergency contact: when applying for a credit card, foreigners need to provide the contact information of emergency contact. This emergency contact is the person used by the bank to get in touch with you in case you can't contact or confirm your identity.

3. Provide your residence address: When applying for a credit card, foreigners need to provide your residence address, which will help the bank to verify your identity and residence and prevent fraud.

4. Provide work unit: When applying for a credit card, foreigners need to provide information such as work unit and position. This information helps the bank to evaluate your credit risk and repayment ability.