The 200,000 tons/year large-scale potato dregs drying production line project that Zhengzhou Dingli cooperated with Guizhou customers has been officially completed. At present, the equipment is officially put into operation and running well. In Guizhou sweet potato slag drying project, according to the customer's needs and local conditions, designed and produced potato residue dehydration + drying production line equipment, the dried materials have good color, good quality, energy-saving, and environmental protection, stable operation.