... reflex and focus lens 4.chiller 100w laser crystal engraving machine Features:Taking CO2 laser tube as ... Materials: wood, acrylic,bamboo, jade, marble, organic glass, crystal, plastic, garments, paper, leather, rubber, ceramic,glass and ... other nonmetal materials.Applicable industries:advertisement, arts and crafts, leather, toys, garments, model, building upholstery, computerized ...