Today, the pace of times and the pace of life are growing, as is the desire for healthy and nutritious food products. Quick, nutritional and hygiene is a universal pursuit of people's daily diet and an important trend in catering operations. In the fast-growing course of the catering industry, traditional pasta foods have become more popular and popular with consumers. These include buns, buns, soup, dumplings, etc., which are already producing tens of billions of dollars a year. Various brands of buns, buns and chains have also emerged; numerous small vendors, restaurants and restaurants are also producing and selling buns, and it can be said that the prophets are making a lot of money quickly. For five years, they have focused on the research and development of buns, the selection of fresh materials, the allocation of juice and the optimization of machinery for the production process. The successful development of north-south-specific leather, which is both resilient in the north ...