... manufacturer for 14 years durable ISO2008 high cutting efficiency LONGDA BDK engraving wheel for CNC machine in china PRODUCT DESCRIPTION ... BDK engraving wheel , also called Glass grooving wheel, BDK wheel, is made from high flexible ... ,10,15,20501603,6,8,10,15,2022,90 LONGDA BDK engraving wheel for CNC machine in china