Advantage: We have our own sweet potato planting base where is with fertile soil, no air and sewage pollution, which make us better control the quality and the production cost from raw material, production to sales. Feature: Pure Nature, healthy, green Nutritious and delicious : Rich in carbohydrate, dietary fiber, protein, nicotinic acid and calcium, magnesium, iron, potassium and minerals. Healthy: It is without any additives such as whitening agent, preservative, food glue and so on. It has effect on reduction of blood pressure, beauty, weight loss and anticancer.