What do you think of the name of the merchant who swipes the card?

Take a receipt of POS machine consumption, and the receipt will have the merchant number (the MCC code of the merchant number contains the basic information of the machine). The top three can see which institution (bank, payment company) your POS machine belongs to. The next four digits can tell which region the machine belongs to, and the next four digits can tell what industry the machine belongs to. The last four digits represent the serial number, and the detailed corresponding code can be queried online. Operating steps for binding UnionPay cards to POS machines: 1. After booting, use the "up and down keys" to flip the screen, and select "3" to log in; 2. Enter the operator number "0 1" and the password "0000", and the screen will prompt the operator to log in successfully; 3. Select "1- Unicom Customization", swipe your card in the magnetic stripe of UnionPay card, and click "Confirm" to go to the bank * *; 4. Prompt for the bill number, enter "1001+psam * *" (20 digits) from the password keyboard, and confirm the input again; 5. Print the sales slip and the transaction is successful.