Wholesale NEJE 2S plus 3500mw 7w 20w 30w 40w laser engraving machine 460*220mm desktop laser cutting machine From m.alibaba.com
Amazon.com : NEJE A40640Ⅱ Laser Module, 10W+ Output Power, FAC Tech - 2 x Beam, Built in High Pressure Air Assist, Come with Metal Nozzle, Compatible with Laser Engraver and Cutter :