What you want to ask is whether it is reliable for China Merchants Bank Lucky Sub-branch to handle credit cards. Reliable. China Merchants Bank is a large commercial bank in Chinese mainland with high credibility, and Cai Zhao Branch is a branch of China Merchants Bank. The credit card issued by Cai Zhao Branch of China Merchants Bank, like the credit card directly issued by China Merchants Bank, conforms to the relevant national regulations and standards and is reliable.