SYA series vibration screen is introduced advanced American technology from R.S company in the late of eighties, and it is widely used in the coal, metallurgy, transportation, building material, electric power and chemical field to the dry classification of all kinds of material. It adopts the frame structure, ring nest rivet connection, advanced structure, strong and durable, the vibration device was equipped with the large bearing clearance and lubricated by the oil. It has the feature of low noise and long service life. The spare parts can be used frequently and easy maintenance. The slope of screen can be adjusted from 15°~25°,if no special requirement, the design should be 20°.