1,CE certificate 2,cnc stone engraving machine 3,whole cast seamless weld steel structure 4,imported water cooling spindle Stone CNC Router ... ,Z three-axis all equipped with waterproof, dustproof system3. Water cooling constant torque spindle with imported bearing, high power, ... low tone4. Adopt Taiwan transducer with stable output signals5. Fully shielded, bending circuitry, and ...