... . Base Specification of Screw conveyor,hopper screw feeder, 2255*775mm4. Material of Screw conveyor,hopper screw feeder, Stainless steel:304, 3165. the screw conveyor,hopper screw feeder is easy ... , improve working conditions, humanity and safety.Screw conveyor,hopper screw feeder assembly Screw conveyor,hopper screw feeder photos from workshop screw conveyor for unloading machines 10 tons/h ...