... to 90%,2, runner boss and outer circle made from special aluminium with hard wear resistant material, long life/duration to ... , saving heat more,4,adopt japanese runner-driven belt with special self-tensioning devices and mechanical belt lock,5,adopt thick ... .0mm, wide surface area of transferring heat, high heat recovery. ( function(){ var aBigImageSrc = [ 'http://i01.i.aliimg.com/photo/v3/222779781_1 ...