... 4-5M 2.free technical support and installation 3.with ash removal system vertical biomass burnerProduct Introduction Multifunction pyrolysis ... resources, use the renewable energy enough, in line with the world, especially the energy conservation and emission reduction ... (straw, wheat straw, cronstalk, corncob, rice husk, peanut shell, cotton shell, cotton straw, rank grass……) forests(wood, bark, tree ...