The application process for the supplementary card is as follows:

Applicants for the supplementary card must be direct relatives of the primary cardholder, such as spouse, brothers, sisters, parents, etc. Then, the main cardholder can download the application form by himself or pick it up at a bank branch. When applying, you need to fill in the main card number, supplementary column information, and provide a copy of the ID card of the additional cardholder.

Finally, submit the relevant information and application form to the bank branch. The main card limit and the supplementary card limit are exclusive. If the main card limit increases, the supplementary card limit will also increase to a certain extent. Each primary card can apply for up to three supplementary cards. The application and use of the supplementary card will affect the credit report of the main cardholder.