1. Enter Bank of Communications official website and select a credit card application. \r\n2。 Select the cardholder to apply for supplementary card here. \r\n3. Fill in your cardholder information. \r\n4。 Select the service type, and select the supplementary card. \r\n5。 Agree to the agreement, and then choose Next. \r\n6。 Fill in the supplementary card applicant information, that is, fill in the supplementary card for whoever you want. \r\n7。 Upload photos of the front and back of your ID card, and then preview the submission. \ r \ Waiting for approval, your application for supplementary card of Bank of Communications credit card will be successful. I hope my answer is helpful to you. \ r \ nXiaomu's installment advertisement \ r \ nThe latest product is up to 50,000 yuan \ r \ nBank of Communications still needs to go to the bank outlet to fill in the information when handling the supplementary card. \ r \ However, since the credit line is shared by the primary card and the secondary card, there is no need to submit any financial proof materials, but both the primary card holder and the secondary card applicant should go to the business outlets to sign the application form. In addition, supplementary card applicants should also fill in basic information, including ID number, mobile phone number and so on, which are very basic information. \ r \ nGenerally speaking, as long as the application meets the requirements of the bank and the main credit card has no bad credit history, it is easy to apply for a supplementary credit card. \ r \ For more information about how to apply for the supplementary card of Bank of Communications Credit Card, please visit:/ask/80ba2a1615833545.html? Zd view more content