... Safe operation GX Screw Conveyor MachineProduct Summary GX screw conveyor machine is the international standard products, equivalent to use ISO1050- ... in industries, such as building materials, metallurgy, chemical industry, light industry, food industry.etc, suitable for conveying powder, granular, ... .It’s working temperature is -20 to 40 °C,and the temperature of materials transported is -20 to 80 ° ...