... two heads with two rotary Cylinder engraving machine SH-1830 Machine features: 1) Particular style, ... different points.Applicable industries and materials: 1) Wood, bamboo products, acrylic plate, plastic, plexiglass, ceramic tile, marble, jade, crystal, shell ... system(nozzle, water pump) for tool when engraving stone cylinder, metal cylinder, etc. we can also design and produce machine according ...