... automatic cnc router machine 1.specially for Jade material 2.frequency spindle cooled by water 3.high precision ZS3025 3D automatic cnc router machine ... good durability, 4. Rotary parts is optional which is for engraving cylinder material.Available material: Copper, aluminum, jade, ... acrylic, double-color plates, organic glass, PVC boards, ABS wood , ox-horn,and various non-ferrous ...