This machine is made with the imported technology. It adopts rubber shock absorber instead of domestic traditional metallic spring, both the external and internal contacting the raw material are made of stainless steel. It is the ideal equipment widely used for sieving and examining the materials of granule, flake and powder and so on. It is applicable for pharmacy, food and chemical engineering, etc,. Especially, it conforms to G.M.P requirements, which assure the customers. For the rubber shock absorber, we cooperated with the experts and engineers from Shanghai and Wuxi, so the rubber intensity and rubber-iron viscosity and pull are furthered.