... 5mm.Saw dust ,Wood Chips ,Wood logs ,Tree branch ,Wheat Straw ,Peanut-shell ,Rice husk ,Sugar Cane Bagasse,Coffee Husk , ... paddy Straw ,Sunflower Seed Husk ,Sunflower Stalk ,Reeds ,Cottonplant Stem ,Tobacco ... the central hole and carbonized outer layer. Our biomass briquette machine have automatic temperature control system, it is designed to produce ...