Dongguan Mojiang Equipment Co., Ltd. MJ-NB experimental machine series ceramic laboratory nano sand grinder is a wet ultra-fine grinding and dispersion experimental equipment for determining grinding processes, testing formulas, and optimizing improvement needs. The grinding chamber is made of all ceramic material, with no metal contamination. The fineness range is from micrometers to 50 nanometers, and a minimum grinding medium of 0.1mm can be used. It is equipped with a cooling circulating stirring system and is a high-performance experimental grinding equipment.