2. Price increase is their consistent means of promotion. For example, the current price is 12000, and an advertisement is put out: "If you don't buy it now, XXXX will rise to 14900!" Let everyone rush to buy. When it really goes up, we'll hold an activity next time, and then we'll reduce the price in a new name, such as 13800. After the activity, restore the price of 14900. Then we will go back and forth and cheat more and more.
3. It does have a medical device production license, a medical device business license and a patent certificate.
However, its patent is a new patent for appearance, and there is no medical effect certificate.
If you are really filial, you might as well give your family a massage and spend more time chatting with her/him.