... can replace wood, coal, liquefied natural gas, are widely used for life heating furnace stove, hot water boiler, indust Raw metrical ... raw material is straw, stalk, bark, industry waste, ect, crushed & pressed.The feature of end product, straw charcoal: 1. Small volume ... weight1300kg1500kg1800kg2000kg(Finished product calorific value):3500-5500 kilocalorie Briquette Machine for Straw Fuel