... touch Panel, Manul Video American Lens Crystal Glass Laser EngraverSpecification:Model SF-450 Crystal Laser EngraverProcessing area400*500mmLaser tube50WEngraving speed1 ... of coconut, paper, plexiglass, acrylic, marble, jade and crystal. With the rotating unit, this machine can work on a ... run at high aped and high precision. 2. The original binding beeline lead rail, the mechanic is running well ...