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