Hello, it's my pleasure to serve you. According to your question, CCB's credit card can be used for modified cars, but it needs to meet certain conditions. First of all, you need to have a credit card of CCB, and the credit card amount should be enough to pay for the modified car. Secondly, you need to contact the Construction Bank to apply for a modified car loan, and the Construction Bank will give the corresponding loan amount according to your credit situation. Finally, you can use CCB's credit card to pay for the modified car. In a word, CCB's credit card can be used for modified cars, but it needs to meet certain conditions.