... DSP control system, with the industry's most advanced function of start engraving where power ... any patterns and text.3 Engrave: Three sides open structure, Z axis has adequate space ... ,paper products and other industries.Recommendation materials:Can carve wood, coconut shell, paper, plexiglass, acrylic, marble, ... as cups, pen container, trophies and so on.Sample: warranty:1. reci Laser tube guaranteed ...