Der "Wilde Westen" » Feedback on cords

Hi Guys, need your help with this one..
I am doing some maintenance in the house and need to fix weather balloon meteorological balloon soundinig balloon polite balloon suppler from China.
Should I use Chinese CCC power cords ac power cords power supply cords GB15934-2008 6a 10a 16a 250v to EN IEC 60320 C5 C7 C13 C14 C19 C20?

Have you used it before? Any feedback?

I also need your feedback on this company ac power cords power supply cord electric cord seе.

Thanks!