i need help to choose a cnc

Hi ,
I need some help to choose a CNC machines.
I would like to work on aluminium (A4 format) in 3d .
So I search a 4 axis machines

I found these machines:
-X6-2200L-USB (4-axis) CNC Desktop Engraver -omiocnc.com
-PFE 500-PX

So i would like to Know if these machines are good? If they could satisfy my needs? The difference between the two machines?

If other machines exist ? my budget does not exceed 10 000€ all include.

Thank you, and sorry if i made mistake english is not my maternal language