... can be corn stalk ,wheat stalk , cotton haulm ,straw ,rice hull ,peanut-hull, corn core, branch ,sawdust ... etc. Straw fuel briquette machine is a full set of ... high density and energy fuel. Straw fuel briquette machine is widely used in household stove, heating furnace, hot water ... boiler, fireplace, etc. for warm in house. Straw coal is a kind of new-style energy with ...