Originally Posted by veganbikes

I wouldn't buy random no-name junk from a known fake and knock off seller even especially more if they are saying it won't work with a common set up. That seems dangerous if the chainring cannot work with common chain and quick link combination. It isn't one I would want to have on any of my bikes.

Start with the 30t in a quality chainring from a known quantity and quality from a source that is an actual bike shop (even if just simply an online only shop) and if you find that doesn't work maybe try and record some mileage for it and re-sell it or keep it for later.