Nowadays, many self-service devices have appeared in our lives to facilitate our lives, such as self-service teller machines, self-service filling machines, self-service ticket vending machines, etc. When it comes to the convenience that self-service equipment brings us, there is also one that we often meet. The equipment used is the self-service payment machine. Picture: Power grid self-service payment machine Nowadays self-service payment machine is widely used in various fields, such as the National Grid, which has introduced this equipment to establish a 24-hour site, which makes office workers like us feel particularly convenient and do not need it. Worrying about the problem that there is no time to go to get off work when the grid company is off work. It also eliminates our queuing process, is simple to use, and can be paid very quickly, saving a lot of time. You can also choose an invoice, is it very convenient? With it, there is no need for staff, and a 24-hour self-service business hall can be set up anywhere, and there is no fear that the power grid company will not open the door in the middle of the night without electricity at home. I have to say that the self-service payment machine is really a convenient device, which provides great convenience for our lives.