... 4.laser tube 1500hours JK-3050 laser engraving machine Machine Performance: Laser-type: Hermetic and detached CO2 ... 0-100% controlling, no segment and adjusting by software Machine Control : Speedy DSP controllingDrive: step motorMax Engraving Speed ... marble, organic glass, crystal, plastic, garments, paper, leather,textile, rubber, ceramic, glass and other nonmetal materials.Applicable industries: ...