It is said that the success rate of curve withdrawal can be increased by doing the following things before the curve: 1. It is best to have a high-value card that has been used by other banks for more than one year and the amount is more than 2,; 2, there are multiple credit cards, it is best to cancel those that are not commonly used with low quotas, and the number of cards to be held is 3; 3. Credit cards under the name of CCB should be swiped more, especially in the last month before the curve, and the main swipe is small, preferably merchants with points; 4. Use the CCB savings card to bind the credit card for repayment, and brush the savings card occasionally, even for 3 months. 5. If the credit card has a temporary limit, it must be finished, and then the credit information will be updated. 6, the debt should not be too high, 5% or less should be operated according to the above method, and the pass rate is 7%, so that the card will basically be equal to your maximum credit card, and the minimum is 2,.