Equipment To improve pores and tighten the skin

How long can this machine work continuously in a day?
Because the machine has a good refrigeration system, it can work all day, but in order to better protect the machine, you can let the machine work for half a day and rest for half an hour，so you can use it with confidence

Do I need to return the entire machine for repair if there is a problem with the machine?
No, because we have professional engineers who are very experienced, and the internal structure of the research is structured design, so when there is a problem, we only need to shoot a video for us, our engineers can know where there is a problem, we only need to send a certain accessory can help customers solve problems quickly in the past, which can save a lot of time and does not affect customers' business