First of all, as far as the wallet pos machines on the market are concerned, they only need to handle the wallet pos machines in regular companies. There is basically no problem with swiping a card. Because they are all smart matching merchants now, it mainly depends on the quality of the merchants intelligently matched by the wallet pos machine used by users. If they are high-quality merchants, there is no problem in using them, but it is beneficial to raise the amount of cards.

let's talk about how to introduce the wallet pos machine here.