It's just that it's not very profitable to run a credit card, but you can make money by binding a credit card with a pos machine, and the income is good. Snacks are much better than work. Running a pos machine and a credit card can go hand in hand and promote each other. Many people mention the industry of POS machines, and their first impression is that the streets are full of mess, free delivery is everywhere, and no one is unfamiliar with it. It's strange because many people don't understand how it makes money. Think about it from another angle, a product can destroy a street, which proves that there is market demand. Being able to destroy streets shows that this industry is profitable and the threshold is low. And with the rapid development of the credit card era, the POS machine market is also enduring. As long as there is a bank, as long as the bank issues credit cards,