... briquetting fuel, firewood, cow dung ,corn cob,crop stalks (corn, rice, straw, etc.) as well as sawdust, peanut shells, sugar ... aldehyde residue, leaves, rice husk and so on . ParametersModel:QHL-ITable Size:510*510 ... of hypoxia and cold in mountain areasMore pictures for reference household biomass gasifier stove with no pollution and environment-friendly