The credit information of China Merchants Bank can be divided into several places. Generally, it is 0755* (Shenzhen Head Office Card Center) 020 (there are a few in Guangzhou, mainly accepting applications from some customers in South China, with Cantonese service) 02 1 (Shanghai Credit Card Center Headquarters has the most) 0 10 (Beijing will also have it), mainly depending on the location of the card. In general, the formal credit investigation of banks is mainly based on formal inquiry.