Stone Engraving Machine is mainly used for engraving on marble, granite, wood and sand stone, column and pillar. Four heads will process four designs on the surface of column stone at the same time. It makes the column processing easier and faster. Hard frame structure of cnc router is welded by thick-walled rectangular steel and tempered at high temperature. Shusa column engraving machine is fully controlled by CNC and is able to work with universal G-Code and M-Code. Controller of the machine is easy to operate and having power as well as point saving feature