... and working speed, 2.can engrave :metal, glass, wood, marble ,plastic, acryl, etc CNC ENGRAVING MACHINE ... table with bakelite sheet (hand valve ... * DSP OFF-LINE CONTROL(DSP MEMORY ... and Brands, Acrylic Letters, part productions, Signs, Tablets Calligraphy, architecture model, embossment, Home and Business Decorations, Gardening decorations Wall decorations Advertising CNC Engraving and Cutting Machine ...