... screw extruder, plastic extruding machine, screw extruder, single-screw extruder Plastic single screw extruder, Plastic double screw extruder, plastic extruding ... steel or cast Al cooling air, water, oil cooling controller FUJI, RKC ,Schneider sensor K thermocouple or PT100 hot ... 38CrMoAlA,or bi-metalic structure design accordingly screw diameter:single screwΦ45-Φ220mm,parallelism twin screwΦ35-Φ135, ...