... parts2) Laser tube3) Lens and reflectors4) Air pump5) Water air cooling machine 6) Exhaust fan7) LCD screen Operational ... unit: It is used to process round materials.4) Water chiller with or without compressor: it is used to cool ... crystal, glass, wood, bamboo, oxhorn, figuline,marble, leather, cloth, double-color board, etc. nonmetal materialsComprehensive application: advertisement, arts and crafts ...