Tht product is high in performance,rational in structure,highly efficient in sample making and is applicable to labs for raw materials for merallic and non-metallic ores for crushing and processing of test samples.It is suitable to be used in geological,mine,metallurgical,coal,light,chemical and power industries ,which require lab.crushing and processing in the production production,as well as well as coating,magnetic material,printing ink,dyeing and foof industries for ultra-fine gringding.