15000psi high pressure ISO9001:2008 easy operation 15000psihigh pressure ISO9001:2008easy operation This gun is for washing surface. Runway oil removal, glue removal, plane surface paint removalclean oil on fence, floor slab, outside wall of pipes and production pipes, clean cement scale crust and so on.Clean boiler, heat-exchanger, jar trough, valve, evaporimeter and electrolyzer and so on.