Our compangy possesses a lot of national patents which can sift dry or dry materials of food , pharmacy , chemical , metallurgy , building , cement , glass , china ,and paper-making industry .They are expored to theU.S.A.Ganada,France,Italy,South Korea,Japan,Australia,Malaysia,India,Tailandand Iran and have wide-spread praises .
Their electromotor can vibrate steadily and produce great vibration strength . The flexible net frames are easy to stretch completely and replace in a very short time so that their efficiency is raised greatly . Therefore , we have gained the latest national patent of 2005 , No. 200520032559.9 because of their advantages of quick replacement , light weight and flexibility . At present , we are applying for Europe