You can try ICBC’s online self-service credit card application function. Since ICBC is vigorously promoting this service, the card application process is very fast and will not take more than one week. However, according to your situation, the limit will not be If it is too high, you can only apply for it first, use it frequently, overdraft often, and repay it on time. You must repay it on time. In this way, you can apply for a higher limit after three months.