... cooking, heating furnace, hot water boiler, drying stove, industrial boiler,and straw charcoal is the lastest environmental protective, ... clean,renewable fuel. Raw materialsStraw briquette press machine can evenly press various corn straw, rice husk, wheat straw, ... biofuel briquette Smokeless, odorless, innocuity Long burning, high heat value No bursting, low ash Should you interest in ...