Starchy residue is the main by-product of cassava, potato, sweet potato, and other agricultural products after the production of starchy, moisture content is about 80%, as for the high moisture content, heavy viscosity, with the traditional drying process equipment, drying temperature is high, slag starch has made gelatinization chemical reaction, dextrin clogging material particles pores, water evaporation does not come out, the surface of the particles turned yellowish black, "outside the coke within the soft", a serious impact on the sale of dry residue; drying temperature is low, the moisture cannot be drying below 15 % at all, dryer sticky wall, gelatinization, agglomeration, drying equipment cannot do normal production, this will lead to the impaired interest of the customers. Dingli brand starch slag dryer is based on the research and development for characteristics of raw material such as cassava, potato slag, and after a few sets of dryer producing experience, which can dry all kinds of potato residue below 10% in one time.

The equipment used by the company's "mechanical dehydration + drum drying + pulse air drying " Chinese patent technology, an effective solution to the traditional dryer which can not dry cassava, potato residue problems, drying material with perfect color, good quality, production line of energy saving and environmental protection ,with safe and stable operation,which praised by many new and old customers.