The credit card customer service hotline is 4008205555. From overseas, you can dial 8621-38784800 or 86-4008205555. After verification, cardholders select "9" to transfer to manual service. Customers who do not hold a card choose “3#→1→3”. Warm reminder: 1. For diamond and platinum cards, please call the VIP hotline: 400-888-5555. 2. For business cards, please call the service hotline: 400-820-5558.
(Response time: June 6, 2020. For the latest business changes, please refer to the official website of China Merchants Bank)