... 2. Energy saving 3. Overload protection device 4. Long service life CE Approved bioenergy ring die wood pellet machineApplication:a. ... etc...b. The raw materials contain straw, wood-dust, bamboo powder, cotton wood, peanuts shell, straw, clover, cotton seed ... . Our factory with diameter of 1.5, 2, 3, 3.5 and 2.5,4,5,6,8,10, ... boxGear boxRing die spare parts: Ring die wood pellet machine for home used