| specifications︰ | laser subsurface engraving machine obtains the following characteristics: firstly, take 3D photo of a person with 3D camera and process it in computer to form 3D portrait; secondly, utilizing laser focusing technology, it can engrave 3D everlasting portrait inside crystals. With the development of material life, people are paying more and more attention to the pursuance of spirituality and individuality.Therefore, with a broad market, the 3D subsurface engraved portraits are becoming more and more popular.you can buy a 5*5*8cm crystal cube at 2USD and sell the 3d head crystal products at 45-50USD each piece, It's very profitable to do the crystal business, Key words: 3d laser, laser crystal, 3d crystal, crystal, crystal gifts, crystal glass, 3d glass, laser glass, crystal art, print crystal, crystal machine, final fantasy crystal, engraved crystal, 3D laser, 3D crystal
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