2. What's 3d laser, can it engrave 2d photo? how to choose a reliable 3d laser machine supplier?

3d laser means the laser engrave in a 3 axis way, the laser are control by software, so it can engrave 2d and 3d both, choose a reliable manufacturer is very necessary because machine quality, after sale service, maintenance help as well as supplier responsibility all are key important for such business invest success.