1. WeChat application. Follow China Construction Bank WeChat official account on WeChat, bind the credit card after entering, and then click Credit Card-Business Handling Hall-Quota Management. Then select the credit card account that needs to apply for increasing the quota, then select the type of quota adjustment, and then follow the prompts.
2. online banking application. Log in to CCB Online Banking (), and then select Credit Card-Card Manager-Line Management, and then select the credit card that needs to be adjusted.