Protection zone: four tubes in boiler, fan blade, furnace material crasher. Picture one:Thermal power ... systemProtection zone: four tubes in boiler, fan blade, furnace material crasher.Working status: high temperature corrosion ... .productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Thermal power system,High speed train,Chemical industry,Paper making industry,Steel rolling ...