The first is to go to government departments to promote the application, and the second is to go to local large enterprises and small and medium-sized enterprises. These institutions have good qualifications, their employees have stable income, and it is easy to apply for the card. The third is to issue business cards. Insert the business card into the car. It is easy to get out of the car even if you have a car. The fourth is the ultimate trick, cooperate with the bank, buy data (that is, phone number), and then edit a group text message that can apply for a high-limit credit card, just like making money.