Atomstack S20 Pro 130W Laser Engraving Machine

https://www.atom-stack.com ,Powerful ATOMSTACK S20 Pro 130W laser engraver with the world's first quad-core diode. This S20 Pro laser engraving machine built-in F30 Pro Upgraded Air Assist system can easily cut 12mm wood and 8mm acrylic, and even cut 0.05mm thin sheet metal. 

http://www.nicovideo.jp/watch/sm40932279