walnut kernel pulverizer 1.food grade require 2.no ... way rotation to grind the materials into powder.It is small and exquisite, low noise ,easy operation, no fly ... grind : 1.all kinds of grain and seeds: sesame, walnut kernel, cucumber kernel, wax gourd kernel, peanut and rice ... capacity materials into very fine powder. as: sesame , walnut kernel, cucumber kernel, wax gourd kernel, peanut and medcine ...