What is the best way to Test a chines machine?

[Kev2960]

When you say test it, test what, do you mean the accuracy when cutting say a circle for example

[cnclover]

Thank you Kev2960 for your replay

I want to ask video tests from the manufacturer and I have no Idea what is the best tests that lets me judge that the machine is good and accurate and give best results.

Also what are things that can you advise me to ask about, before shipping the machine?

Thank you