If you want to apply for a large credit card or gold card of China Merchants Bank, it is recommended to provide more financial information. It can be a payroll record issued by a bank, an income tax withholding certificate, or a market value certificate of a house, a car, a deposit and an investment (such as a copy of a real estate license/car driving license/bank time deposit certificate) and other materials that can prove your economic level. Other documents for reference include: personal account list of social insurance in the last 6 months, water, electricity and gas bills, credit card bills of other banks, etc. Mainly a copy of your certificate of deposit, real estate license and driving license of high-end private car. If you can provide relatively complete financial documents, it will be more helpful for us to understand your personal situation and judge the credit limit.