Yes According to official website's inquiry, there are five stalls selling sweet potato skins in daye city Market Supervision Administration and Daye Snack Wholesale Market. Sweet potato skin is made of high-quality sweet potato starch and refined by advanced technology. Vacuum packaging is adopted. It is more sanitary and healthier than traditional sweet potato vermicelli. It is more convenient to eat. The taste is very strong. It is a dish of hot pot Chinese food and family table.