1.High quality furnace 2.High heat efficiency 3.Environmental protection 4.Convenient maintenance 5.ISO9001-2008:SGS Chain Grate Hot Air FurnaceHigh heat transfer efficiency with an overall efficiency of no less than 75% Highly mechanized, stable running, and convenient operation Adaptable for various coals with heat generation value of no less than 4,500Kcal/kg Adaptable to different kinds of ...