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comoon co2 laser is hard to cut metal.
if yoru metal is less than 1mm, u can add o2 to help laser cut metal.

the follwoing machine is well to cut metal,diewood, ect DNL-1390 metal co2 laser...

Hi dears, there is one amazing so big laser machine. with working table is 2m*3m.
If u need it, details is following: laser cutting machine|laser|metal laser cutter