Vertical screw conveyor can feed via tubular screw,Website:http://www.hanrui-russia.com, which forms stock volume ... can be used for clammy and easy-winding material.Industrial screw conveyor even discharging and convenient to control the feeding;The construction ... steel ( SS304, SS304L, SS316, SS316L), carbon steel and etc.vertical conveyor system can be used in the pneumatic handling system, also ...