The Screw conveyor, is a fixed machinery, transportation equipment, suitable for food, fuel, such as feed and makings shape or powder material level, or close to transport (level 20 ° Angle  the tilt of the conveying, conveying the length can be up to 40 m general. The hanging by copper tiles or machine shaft bearings with oil and lubrication is simplified, convenient In addition to housing, all using the wall type, stamping steel, save the work; Outlet wall type the simplicity of the bearing isolation structure, safe and reliable, dust Helicoid have left spin and DuoZhong dextral form, wall type inlet and outlet housings interchangeable, process flexibility.