... 1500 hours 3.water cooling system NC-C1630 laser cutting machine for cutting wood boards Product Features:1. Nice-cut laser ... we can add an Rotary attachment on the Laser Engrave/Cutting Machine, then the machine can engrave on Cylinder)Water ... :Wood, bamboo, acrylic, PMMA, jade, marble, organic glass, crystal, plastic, garments, paper, leather, rubber, ceramic, glass and other nonmetal materials ...