... in accordance with JB/T7679 codes & standards .Screw Conveyor is made up of : Trough ,Inlet nozzle ,outlet nozzle ,flight ,shaft ,shaft ... (kg/m3)transport direction : horizontal /vertical /incline (if incline ,what is the incline angle)motor & gearbox's brand : SEW ,ABB SIEMENS or ... inquiry as a reference .6.If your inquiry is the only one and is the specific one ,we will send our immediate attention ...