... plant The rural corn stalk, corn cob, branches, leaves, sawdust and other agricultural materials as raw mate charcoal making plantCharacteristics: Biomass ... etc., widely used in life stove, heating furnace, industrial boiler, biomass power plant. Urban heating, and guesthouses, hotels, bathing, etc., the ... of environmental protection, can only use oil-fired boiler, which is higher than the cost of fuel ...