... service tim BDK engraving glass polish wheel for CNC machine Specification(mm): NameOuter DiameterThicknessInner Diameter glass grooving SERIES2004,6,8 ... Kuwait, United Kingdom, Russia, Indonesia, Belgium, Australia, Turkey, U.A.E, South Africa, Poland, Iraq. Czech, Korea, Japan, ... in 1998, Zhengzhou Longda Abrasives Co., Ltd is a specialized enterprise that engages in the research, production and ...