Engraving plated metal with a K40 laser

Does anyone know if the K40 40W laser engraver would be able to engrave any or all of the below? The seem to be plated or annonized.
Many thanks,

https://www.xstron.com/blank-metal-engraving-material

A k40 can usually engrave non metallic coatings off metal, such as paint or anodized aluminium pieces.

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