... 3. pellet length:20mm-50mm 4. warranty for 5 years flat-die straw/wood pellet mill: This type pellet machine is ... mainly used to compress crushed corn straw, sawdust, plant waste, bamboo powder, grass, sunflower stalk, straw, rice husk, forestry waste, ... chips, chemical waste and ect. into cylindrical shape particles.Our flat-die straw/wood pelletizer posses following technical specifications:Model No ...