... structure firm and stable, saving heat more,4,adopt japanese runner-driven belt with special self-tensioning devices and ... belt lock,5,adopt thick aluminium foil and recovery heat with with the height of the bellows being 2.0mm, ... .run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Rotary heat recovery equipment, with cooling, heating system, filter function