... in China New energy product Suitable to rural market Biomass Stove Cooking Heat Load ≥3.0KWSmoke Discharging Concentration ≤25mg/m3SO2 ... fuel kinds: the fuel of biomass multifunctional stove includes many kinds such as fuel wood, straw, peanut shell, corncob, biomss forming ... of the biomass direct-fired stove includes many kinds such as fuel wood(trunk, branch leaf and wood dust), crop straw, chaff, ...