... spray, ultrasonic spray, spray welding .Application effect: increase the service life to 3~8 times for wear ... and corrosion resistant elements.Picture two:High speed trainProtection zone: steel structure, rail, moving machineryWorking status ... init( { 'aImgSrc': aBigImageSrc } ); } )(); Thermal power system,High speed train,Chemical industry,Paper making industry,Steel rolling: sheet tension ...