... fan blade, furnace material crasher. Picture one:Thermal power systemProtection zone: four tubes in boiler, fan blade, ... : arc spray, ultrasonic spray, spray welding Application effect: service life more than 20 years for corrosion ... minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Thermal power system,High speed train,Chemical industry,Paper making industry,Steel ...