3D automatic stone engraving machine 1200x2400mm,CE,DSP 3kw constant power spindle stepper motor,all square guide OEM 3D automatic stone engraving ... the tile, bluestone, marble, granite, white marble, sandstone, glass type, copper, iron, plastic, stone sculpture processing, category carved glass-cutting ... of cnc router4)User-friendly English manual for machine using and maintainingsample product