MuajUa kom tiav: 6K, 8K (Daim iav), Super Mirror WorkingPrinciples: Ua los ntawm 2B tiav los ntawm polishing nrog kev ua tiav zoo dua abrasives ua raws los ntawm kev buffing. Feem ntau yog siv nyob rau hauv architectural daim ntaub ntawv.