All right. The eighth and fifth products of Confucius Old Books Network are all second-hand books, which were selected before being put on the shelves. In the selection process, the appearance will be strictly observed to see if there is graffiti and damage. Bad books with bad appearance will be thrown aside, and all the books on the shelf are good. Integrity management is related to the reputation and image of each store. Only by being honest and trustworthy and not practicing fraud can we gain the trust and support of the majority of book lovers.