Rice rolls has been using wind license plates. According to relevant information, windmill powder is potato starch, which is made of potatoes, including potato skins, cooked, dried and finely ground. It can be used as a thickener, especially in some baked goods. Can moisturize. The raw powder of the wind license plate plays a solidification role in food processing, so that the meat will not be loose. Can make rice rolls more flexible and smoother. The main raw materials in rice rolls are potato flour, steamed noodles and chestnut rice flour.