It has computer profiling lines. It automatically track model of (straight) line through the fiber optic probe, automatically profiling through diamond circular saws to cut stone with (straight) line and craft products, uses inverter to control up-down rising and left-right feeding, adjusts the speed according to the stone material. This machine has CNC / PLC system, high degree of automation, high precision cutting; using double-blades designing, with high cutting efficiency, high stability, easy-operation to suit for lines, arc-shaped lines, etc.