1, WeChat official account application:

The applicant pays attention to the official WeChat account of Bank of Communications credit card payment, then enters and sends the words "Apply for a secondary card" in the dialog box, and then a link will pop up in the official WeChat account, click on the link, and then fill in the information such as the name of the host card, credit card number and so on in the interface that appears, and then click Submit to apply for a secondary credit card.

2. Application for business outlets:

Card holders can bring their ID cards and credit cards to the business outlets of Bank of Communications, apply to the staff for a card, fill in the application form, submit the application materials, and get off after passing the examination.