... alloy steel and special craft, durable usage, high pressure, the screw life is longer.2. Adopting the building block structure and ... and the denaturalization starch. 1. Suitable model for snacks food: double-screw extruder65-III, 70-II, 85-II2.Suitable model for pet ... food:double screw 65—III,70-II,85—I3.Suitable model for tissue ...