1 The machine bearing member with a special labyrinth seal, can effectively prevent dust from entering the bearing cavity, thus extending the service life of the bearing. Machine equipped with a silicone rubber door seals, no dust leak and contaminate the operating environment. 2 screen installation convenient, reliable positioning, are used plug-in. Will ring sieves with respect to the form of life a lot higher. Design Built motor, the machine's center of gravity lower, effectively reducing equipment noise. 3 host using water cooling machine adopts SUS304 stainless steel material, meet the GMP production requirements.