Suitable for pharmacy , the chemical industry, the supplies in such trades as the food ,etc. are crushed . Machine this is it move tooth record and regular tooth relative motion of plate to utilize, is it crush thing strike by tooth to make, grit and the supplies are assaulted between each other but crushed . And 20B , 30B , 30BⅡ crush the room and is furnished with water to cool and insert set. This machine is of simple structure, the output is high , easy to wash, it is the most ideal crushing the equipment at present.