How to raise the limit for ICBC credit card, black card and star card?

1, withdrawal method of credit card consumption. Cardholders spend more than 25 credit cards every month, and the bigger the amount, the better. Then call the bank customer service to ask for an increase in the quota, saying that the quota is too low and the large consumption is not enough. 2, credit card brush water. Cardholders can deposit 50,000 yuan into their credit cards, and then swipe them out to apply for a cash withdrawal.