... 1.3t5). Quality warranty: 1 year2. Product Description of energy machinery: Straw coal is a kind of new-style energy with ... widely used of heating, hotels, restaurants, bath in industries as heat source, solved the problem of the coal boiler environmental protection ... equipments, including charcoal/biomass briquette machine, straw fuel briquette press, pellet mill, conveyor and grass chipper, etc.