In reply to Roobag:
* googles 'Xinda carabiner'
* Clicks on Amazone links
* See's "CE CERTIFITED", If they can spell that correctly, how much faith should you have if them?
If you are cheap, there are plenty of well know and CE and UIAA certified brands out there. Just hit the Decatlon and you can have a cheap, cheerfull and properly certified carabiner from a well known european brand.