... straw, husk, groundnut shell, corncob, branches, leaves, sawdust such as crops, solid waste as raw material, through ... " straw-coal" Application:Biofuels can replace straw, wood, coal gas, widely used in cooking ad heating ... pollution.etc.Different name: Biofuel forming machine, Straw charcoal machine, straw briquetting machine, Biomass briquette machine, Straw fuel making machine, Charcoal briquette ...