Suitable for glass/crystal subsurface engraving in large size, refined engraving images and letter; suitable for 3D laser glass and 3D laser crystal mass production decoration, household appliances and art viewing, industrial glass design.Welcome for large engraving area customized.Main features of product:Large engraving size can be customized.Suitable for glass/crystal subsurface engraving in large size.Refined engraving image and text. Sample by our this machine 2. Strong software: can make dots as much as a billion. No gap bettwen every layer.3. Humanization design, very convenient to use: Fifty PCS universal wheels, air cylinder to control the work table to make the glass easy to move.