If the quota suddenly increases, it is because the Bank of Communications has increased the quota according to your consumption evaluation, which shows that your card is used better.

Bank of Communications Credit Card generally refers to Bank of Communications Credit Card, which is a credit card product created by Bank of Communications by introducing advanced technology and management from HSBC. It integrates global and local advantages, advocates a brand-new consumer culture and card experience with the theme of China People's Global Card, and provides preferential and caring services around the world.