High-quality fruit shell walnut shell filter of material due to its hardness, the proportion of ideal, porous and multifaceted, and the special physical and chemical treatment, the pigment, fat, oil, electric ion removal clean), make it has strong oil removal in water treatment performance, in addition to the solid particles, easy backwashing excellent properties, such as walnut shell filter material has been widely used in oilfield oily wastewater treatment, industrial wastewater treatment and civil water treatment. According to the national industry standard production of walnut shell abrasive good durability, polishing and grinding effect is good wait for an advantage, and applied to a wide range, suitable for all kinds of base metals such as zinc, aluminum, copper, copper alloy, brass, bronze, stainless steel, just now, titanium coarse, medium and fine until mirror grinding effect. The product is suitable for use in glasses industry, textile industry, machinery processing, hardware, bearings and other industries deburring and polishing; Is also the polishing material, can be matched with all kinds of polishing, sand blasting, cleaning equipment use. Apply to the frames, grinding and polishing of glasses accessories and other hardware products.