... :Brush manufacturing: Safety brushes for elevators, brushes for vacuum cleaners, brushes for electrical accessories, brushes for mechanical parts, ... -shaped brushes. products name aluminum sharebrush materialbrush colordoor brush H (180 ) 21mm 25mm 30mm and the ... : Dustproofing, sealing, retaining, cleaning, polishing etc.Strip brush body materials: Stainless steel sheet, galvanized sheet, aluminum ...