... system. 6. With constant power spindle motor, it is powerful and efficentful in cutting. Parameter Description: ModelJC-1215Spindle power2200w ... bluestone, sandstone, artificial stone, tombstone, milestone, ceramic tile,etc. 2. Metal materials: such as steel, iron, copper, aluminum, titanium, ... year warranty; 2. 24 hours technical support by e-mail or calling; 3. Using the English Manual and CD Video ...