In the areas of mine, coal, construction and metallurgy, the circular vibrating system is used. The vibration exciter is driven with the help of a flexible coupling jointed motor as well as a universal coupling. One can sure adjust the vibration force. With the help of a composite spring or a rubber spring, the damping device can be fabricated. One can also dissemble the screen plate. The lining plate which is made with ceramics, polyurethane, HARDOX, manganese steel surfacing boards, cast steel plate etc. Its features include the specification range of 1.2m*3m ~ 2.6m*6.5m. layers 1 to 5 is optional and the processing capacity of the screen is large. It also offers low noise due to large clearance bearing. The screen is also quite durable.