gear box for extruder machine 1.Highly Standard Modular Designed 2. ... have specialized in the field of injection and extruder machine parts.Features of products 1. Highly Standard Modular ... NoiseAll key components are finished by precisely machining, accurate assembly, and finally tested, and therefore, fairly low noise ... : Series double screw gear box for extruder machine(PVC, PP, PE, PA, PC, ABS .etc)