Marble engraving machine 1 cast steel,not easy to be deformed 2 Stepper system (Option: servo system) 3 CE BD1218 stone engraving machine Application 1. Granite, Marble, Bluestone, Sandstone and other stone engraving2. Hard stone like Granite can be layered engraved to reach 3mm3. Marble, Bluestone and so on can be engraved to 5mm each time Features 1. imported linear square rails, double four ...