I ordered a power supply model DA-180C19 for an LG monitor in January 2022. It arrived after a week or 2. It worked properly and I was happy. However, after 8 months it stopped working. Testing with a voltage meter shows that it didn't provide power anymore. Also, inspection of the power supply revealed a sticker with the text "QC passed" covered by a black stripe. Underneath the stripe was a cross. So this was a unit that had failed quality control.
***Update***
Afterservice was excellent: when I complained to the vendor, I received a full refund.