[SOLVED] theres something shiny on some of my PSU cables connectors

[striderlgn]

its seems like an ink stain from a pen or something i havent had a pen marker or anything near them so it wasnt me
its even on my 12vhpwr cable

 

[rgd1101]

take a picture, upload to imgur.com and post the link here

 

[striderlgn]

https://imgur.com/Repx8u1

View: https://imgur.com/Repx8u1

https://imgur.com/47lTTA5

View: https://imgur.com/47lTTA5

 

[--SID--]

Markers of the quality control.

 

[striderlgn]

Markers of the quality control.

thank you very much