Since ancient times, “good price” has been an effective means of attracting end-users to buy, and in a “minimum marketing” strategy, many domestic consumer products have been used more frequently, but for hard-copy products, these marketing instruments have not been able to support the development of the industry, so there is a classic business model of “baskets and knives”. Printed brands offer long-term high-profit returns by using the classic business model of “barking knives and knives” f...