... operation, high precision, long life, the knife precise .2,the machine adopted seamless welded steel structure,high strength and good rigidity ... rigidity,high loading capacity.3,constant power spindle motor,big cutting strength, high efficiency.4,high software compatibility, compatible with Typ3 ... . can be engraved to 5mm thick in one time Sample cnc stone engraving machine (9015/1218/1325)