Food Production Line for Nutritional Powderis one of the newly developed double-screw extruding techniques of our company. The traditional stir-fry handiwork has low efficient, its sanitation and quality are difficult to control, and usable raw materials are less. The double-screw extruding technique makes up those lacks. It not only can process grain materials, like buckwheat, oats, etc. but strengthen the nutrients to produce multi-functional nutritional healthy food, such as slimming grain powder, buckwheat powder, black sesame paste, red Chinese date thick soup, etc.