... professional and timely after-sale service.2)12 months for machine, long life span of laser tube: 1500-3000 hours. ... leather, marble, granite, paper, anodized aluminum, rubber, double color sheets, crystal, density board, etc. Information:SD-C2515 laser cutting machine is ... system of triphase motor and drive. It has high cutting precision, smooth incision, good engraving efficiency, high speed and do ...