This machine is used for post-weld treatment and cleaning of black and yellow weld spots produced during welding of stainless steel (304, 316, 316L, 321, 301, 202, 201). It can clean flat surfaces, inner angles, bevels, recesses, etc. After cleaning, the surface will be as bright as new without damaging the local area or its surface. It has the advantages of fast processing speed, high efficiency, economical and practical, stable performance, easy to carry, simple operation, etc. It is suitable for stainless steel product manufacturing and processing industry.