pellet making machine 1.high efficiency 2.low price , 3.long service life 4,simple operation sawdust pellet machine Ring die feed pellet machine,after ... objects have different demands on the pellet machine, especially considering the characteristics of pressed particle: high hardness and big density,we design ... / h (diameter 5mm)135 * 135 * 141 cm700kg ring die style biomass pellet making machine