Hello

If somebody have some experience of these lasers, please tell.

4040 (400*400mm) 50w desktop type
6040 (600*400mm) 60w

Link to the manufacture page :
http://www.itopchina.com/products.aspx?type=Laser%20Engravers

Best Regards
Matti

Almost same with laser machine from Rabbit.
i already buy from Rabbit laser, and it's work ok.
i have machine 900x600 60 watt