Walnut antioxidant called the "king" among so many nuts, the nutritional value of walnuts is very high. The American Dietetic Association recommends that people would better eat two or three walnuts a week, especially in the elderly and postmenopausal women, because the walnut contains arginine, oleic acid, antioxidants and it can protect of cardiovascular, prevent coronary heart disease, Stroke, Alzheimer's, etc. Modern medical research that walnut in the phospholipid, the brain has a good health care. The human body in the aging process of zinc and manganese content is decreasing, chromium has to promote glucose utilization, cholesterol metabolism and cardiovascular protection function. Walnuts powder flush to drink can also good for antitussive and antipyretic. Thus, every year, there is a big market of walnut powder.

The walnut powder making peocess is not very different difficult on the basis of professional walnut grinder machine. This machine is mainly used for grinding different kinds of nuts into power, thus it also called peanuts milling machine or seed grinding machine. The walnut grinder machine capacity is very flexible, it can process capacity from 200 kg per hour to 600 kg per hour with small volume. Now, this machine has been used in many kinds of fields about foods processing. Anyone who is first time to operate this machine can control it easily.