Walnut shell bark can be used for stone polishing, linoleum industry and the production of activated carbon, can also be ground to make fertilizer. Walnut shell belongs to the soft plant polishing materials, with excellent wear resistance, uniform particle size, extra high shell content. Widely used in molds, instruments, motors, plastics, gold and silver jewelry, glasses, watches, golf clubs, hairpins, buttons and other parts of the cleaning and polishing. Walnut shell filter has excellent features such as strong adsorption, large dirt intercepting capacity; anti-oil immersion, double-effect removal of oil and suspended matter; easy regeneration.
There are also skilled craftsmen who use wild walnut shells to make a variety of interior decorations. There are table lamps, vases, ashtrays, tissue boxes and so on.