BDK U grooved wheels for CNC machine U and V shape Top1 manufacture in China Good quality ISO9001:2008 BDK U ... 8,10,15,2022,90 Machine semi-automatic glass engraving machine and CNC-machine UsageIt is mainly used in grooving mirror, furniture glass, ... Poland, Iraq. Czech, Korea, Japan, Tai wan, The United States, Canada. CompanyEstablished in 1998, Zhengzhou Longda Abrasives Co., Ltd is a specialized ...