... natral gas, liquefied gas and so on. The final production of straw charcoal making machine can be widely used for cooking ... furnace, hot water boiler, drying stove, industrial boiler,and straw charcoal is the lastest environmental protective, clean,renewable fuel. ... press machine can evenly press various corn straw, rice husk, wheat straw, wheat shell, bean straw,cooton stalk, medical slag, branches, ...