... Mini Laser Stamp Engraving Machine Applicable Industry:1. Mainly used for engraving of non-metal materials, such as rubber, ox ... atomic materials, crystal, bowlder etc. 2. Applying for processing of small size artistic, For the engraving of patterns and characters on rubber ... and characters engraved are real to life and pleasing to eye. 3. For the engraving of titles, types, signs, platterns etc , ...