One of the advantages for screw conveyors are that screw conveyors can ensure the accuracy dosing during conveying process. Thus,screw conveyors are applied widely in food powder ,chemical granules and other small bulk materials. 

Screw conveyors are divided into u trough and tubular type. The u trough screw conveyors are good for cleaning and maintanance .The tubular screw conveyor has better sealing than u trough screw conveyors.

If transported materials are sticky ,Wuxi changrong recommend to use u trough shaftless screw conveyors .A photo for your view :

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