China Merchants Bank's credit card customer service hotline: 482555, overseas users can dial +8621-387848 or +86-482555, and cardholders can choose "9" to switch to manual service after inputting personal information for verification. Customer without card: Select 3#→1→3 to enter labor.
(Response time: November 6, 219, please refer to the latest business changes announced by China Merchants Bank in official website).