... Rail 2 Stepper system (Option: servo system) 3 CE certificate High quality BD1224 marble CNC Router/cnc marble engraver with CE ISO ... , cutting and drilling on material such as natural marble, granite, artificial stone, tombstone, milestone, ceramic tile, glass and so on. ... pars minimize breakdown rate.6,Configured with water tank and automatic cooling water supply system.7,Overall dust-proof and water ...