Conveyors, vibrating tube or trough made, available with open or closed are used to transport bulk materials. Versions shall be closed when the system of transporting the material must be dust-proof. Gutters may be lined with an abrasion resistant lining – rubber or other material. Material transferred in the gutter can be cooled, humidified or dried, etc. They are suitable for transporting materials such as sand, gravel, coal, etc. Performance and size of the client’s needs.