China Merchants Bank China Southern Airlines co-branded gold card credit card limit generally does not exceed 50,000 yuan. China Merchants Bank generally has two card levels: gold card and ordinary card, and the amount of ordinary card generally does not exceed 1 10,000 yuan. The application channels of China Merchants Southern Co-branded Card can be divided into online and offline. Online channels include China Merchants Bank WeChat official account, China Merchants Bank mobile banking, China Merchants Bank online banking and so on. The offline route is mainly to the offline counter of China Merchants Bank.