... model, easy to operate 3. engraving on seal, stamp,rubber,gum 4.Low price Mini Laser Stamp Engraving Machine Applicable ... Seal engraving machines mainly used for engraving on seal / stamp / rubber / gum, which also can engrave on some small products that ... , organic glass, Wood, MDF, bamboo, advertising products, plexiglass, paper, rubber plates, PVC plastic, and so on.Seal engraving machine has unique ...