... V shape Top1 manufacture in China Good quality ISO9001:2008 CNC machine need BDK U grooving wheels Specification(mm): NameOuter ... 6,8,10,15,2022,90 Machine semi-automatic glass engraving machine and CNC-machine UsageIt is mainly used in grooving ... V shape FeatureHigh price ratio, polishing efficiency and brightness CertificationISO9001:2008 MarketGermany, Italy, India, Egypt, Pakistan, Iran, Kuwait, ...