Does the questioner want to ask "What is the reason why China Merchants Bank chooses its own credit card number?" The reason is to meet the personalized needs of customers and improve customer experience.

1. Meet the personalized needs of customers: The self-selected card number allows customers to choose a credit card number that suits their own characteristics according to their own needs and preferences, thereby meeting the personalized needs of customers and increasing customer stickiness and loyalty.

2. Improve customer experience: Selecting a card number allows customers to have a better experience when applying for a credit card. Customers can choose an easy-to-remember card number based on their own preferences and habits, which improves the convenience and convenience of using credit cards. Comfort.