Hello,
This is Emily from SPT Laser, Specialized in manufacturing co2 laser tube for laser cutting machine.
We R&D red pointer laser tube to make co2 laser visible, which helps the laser mahine more user-friendly.
Any interest, Please check the red pointer laser tube video here. https://youtu.be/iX-Bqv2dN-k
Best Regards
Emily Yan
WhatsApp: +86 138 2573 1976