GS-SUB200 Laser Vibrating-Mirror Sub-surface Engraving Machine GS-SUB200 Laser Sub-surface Engraving Machine is use the 3D Camera to take the three-dimensional pictures on the human body, and after computer processing, and then through the laser inner carving technology made dots in crystal, Many dots to form a three-dimensional images for never forgotten. This type of machine used the rapid scanning technology. Suitable for large shopping malls, tourist attractions and the place of big population like that make the personalized portrait production.