It's my duty to Sanwu and their honoring my Challenger ii 200mw 525nm warranty return, to say that it is now many months after the replacement arrived, and my laser is still working beautifully.
Thank you to Sanwu and their team for providing a laser which is truly amazing!
Hey fellow lazers.
I'm just reaching out, wondering what sorts of experiences people have had with Sanwu, regarding warranty product replacement.
My Challenger ii unit died, within a month or so of having purchased it.
After contacting Sanwu, they agreed to replace the faulty unit as soon as...