... screw extruder, Plastic twin screw extruder, plastic extruding machine, screw extruder, single-screw extruder Plastic single screw extruder, Plastic double screw extruder, plastic extruding machine, screw extruder, single-screw ... PT100 hot resist extruding screw barrel 38CrMoAlA,or bi-metalic structure design accordingly screw diameter:single screwΦ45-Φ220mm,parallelism twin screwΦ35-Φ135, conic ...