Goyum Single Rotor acts as a Secondary Shredder/ 2 nd Stage Shredder comes into action to shred the material after primary shredding.. The Heavy duty Single Shaft shredder / Grinders are high speed designed and these shredders are suitable for MSW, WOOD, PLASTIC, TEXTILES, PAPER, BIOMASS, Tires and more with non- ferrous metal , where small and consistent size is required. The Rotor engineering has been designed with very less maintenance and more output capacity.