Features: 1) The best feature is pre-grading function and grading check function; thesefunctions make it possible to release the satisfied particle directly so as toenhance the grinding efficiency and reduce material wastage 2) Other features includes: high speed flow rate, high grinding efficiency, lowenergy consumption, few material wastage, capable of grinding material ofgreat hardness, easy to adjust the fineness of the powder; easy operation,fully sealed chamber, wide application, stable and reliable operation Packing: Plastic film and wooden case