The original ecology of Wenju walnut and Diamond Bodhi is similar. There are thick green skins outside the trees. Wire brush is also a sharp tool for cleaning walnuts. At the same time, using wire brush on walnuts is not only satisfied with the cleaning of walnuts'green skins, but also can be used as the base of walnuts. Walnuts are large in volume and use wire brush. At the same time, the steel wire brush also promoted the rapid formation of walnut pulp, killing two birds with one stone.