100w laser crystal engraving machine: 1.dsp control 2.600* ... internsity reflex and focus lens 4.chiller 100w laser crystal engraving machine Features:Taking CO2 laser tube as thermal ... Applicable Materials: wood, acrylic,bamboo, jade, marble, organic glass, crystal, plastic, garments, paper, leather, rubber, ceramic,glass and other ... distributors all over the world ! 100w laser crystal engraving machine